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Cat Mate Locking Cat Door

Cat Mate Locking Cat Door

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$49.99
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$39.99
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  • Cat Mate 221, 234, and 235 manual cat flaps with 4-way and 2-way locking flaps
  • Large 7" x 7" cat door designed for big cats and small dogs up to 14" shoulder height
  • Suitable for materials 0"–2" thick, including doors, storm doors, and thin panels (liners for walls available separately)
  • Energy-efficient brush strip around the clear, rigid Polypropylene flap
  • Easy installation with included template and hardware

Product Details


The Cat Mate 221, 234, and 235 Cat Door are the top cat flap for those seeking a versatile and efficient solution for their furry friends' comings and goings. With its generous 5 3/4" x 5 3/4" to 7" x 7" flap, this pet door accommodates large cats weighing over 20 pounds and small dogs up to 14" shoulder height. It's perfect for indoor or outdoor use, giving your pets the freedom to explore while you enjoy peace of mind.

The Cat Mate 221 and 235 features a four-way locking system, offering you ultimate control over your pet's access. Easily set the lock to unlocked, locked, in-only, or out-only as needed. The Cat Mate 234 features a two-way locking system, allowing you to choose between locked and unlocked settings. This is an ideal option for those who want to manage their cat's movements during specific times of the day. 

The durable plastic frame is lined with brush weatherstripping for a weather-proof seal, and the clear, rigid Polypropylene flap is designed to withstand daily use.

Installation is a breeze, thanks to the included template and hardware. This cat door fits materials 0"–2" thick, making it ideal for storm doors, interior/exterior doors, and thin panels like plexiglass. Once installed, the magnetic closure ensures the flap remains in place, keeping out drafts and wind.

The large flap size also accommodates even the "fluffiest" of kitties, making it a favorite among those with larger pets.

The Cat Mate Cat Doors are the perfect blend of functionality, durability, and convenience for you and your pets. Experience the freedom of a well-designed pet door today.

 Please Note: The Cat Mate 221 "Large Cat Flap" and the Cat Mate 221 "Small Dog Door" are identical products except for the packaging (the part you throw away). Since the Cat version is available in brown and, currently, the Small Dog version is not, purchase the large cat version if you want a brown frame and have a small dog.

Not the indoor cat door you're looking for? Check out our full selection of cat doors for doors and small dog flaps.  

Features:

  • Versatile access control with four-way locking system (unlocked, locked, in-only, out-only)
  • Durable plastic frame and lined with brush weatherstripping for a weather-proof seal
  • Magnetic closure keeps the flap in place and prevents wind from entering
  • Clear, easy-to-clean Polypropylene flap makes it easy for pets to see through
  • Ideal for controlling access to litter boxes, food, or outdoor spaces
 

Benefits:

  • Prevents active nocturnal cats from interrupting your sleep to eat or use the litter box
  • For indoor installations, it allows you to put your litter box in a more convenient place to eliminate odors from entering certain parts of the house
  • 2/4-Way lock allows you to control your pet's entry and exit 

Size Chart

Flap Dimensions:

7"w x 7 1/4"h

The entry way your dog goes through.

Outside Frame Dimensions

9 1/4"w x 10"h

The outer edge of the pet door.
flap dimensions
frame dimensions
rough cutout dimensions

Rough Cut Out:

8 5/8"w x 10"h

The size of the hole needed to fit your pet door into your door.

Flap Dimensions:

5 3/4" x 5 3/4"h

The entry way your dog goes through.

Outside Frame Dimensions

7 5/8"w x 7 7/8"h

The outer edge of the pet door.
edura small
edura frame
edura roughcut

Rough Cut Out:

6 1/2"w x 6 7/8"h

The size of the hole needed to fit your pet door into your door.
ModelFlap DimensionRough Cut OutOutside Frame DimensionRecommended Pet Height
Cat Mate 2217" w x 7 1/4" h8" w x 8 3/4" h9-1/4" w x 10" h5" - 10"
Cat Mate 2345 3/4" w x 5 3/4" h 6 1/2" w x 6 7/8" h 7 5/8" w x 7 7/8" h4" - 9"
Cat Mate 2355 3/4" w x 5 3/4" h6 1/2" w x 6 7/8" h7 5/8" w x 7 7/8" h4" - 9"


 

Not sure if this is the correct flap size? Here is a measurement guide to help you out.

Find The Best Pet Door Size For My Pet

A

Pet Height: inches

B

Pet Width: inches

Please fill the above fields.

Additional Information

Frame Material

Plastic

Flap Material

Acrylic

Flap Colors

Clear

Flap Thickness

1/8

Warranty Period

3 years

Return Period

30 days

Flap Type

Single Flap

Your Maximum Pet Size

Cats, Large Cats

Climate Suitability

Temperate-3 Season

Flap Design

Single, One Part, Rigid, Thin Flap

Ability to Lock Flap

Deluxe (4-way lock)

Can Be Installed In

Aluminum Door, Hollow Core Door, Metal Door, Polycarbonate, Plywood or Other Thin Material, Solid Core Door, Steel Door

Award Winning Design

No

Sealing Value

Average

Wind Resistance

Average

Self Framing

Yes

Replacement Flaps Available

Yes

Insulation Value

Low

Installation Instructions

installation video image
Installation icon Difficulty Easy
Installation icon Steps 11
Installation icon Time Required 1-2 Hours
Installation icon Sections 02
Installation icon Flags 02

Parts

  • Cat Mate 221 Pet Door
  • Installation Template
  • Screws

Tools

  • Electric Jigsaw
  • Drill

Please read instructions & notes thoroughly before installation.

Step 1 Mark the Outline

  • Place template in desired position on door and draw round it.
  • We recommend the bottom of the hole is approximately level with your pet’s stomach.

Step 2 Make the Cutout

  • Use an electric jig-saw to cut along inside of drawn line.
  • Be careful to cut hole square to the door, particularly with thicker doors.
  • Ensure frames are free-fitting in hole.

Step 3 Door Thickness

  • Determine thickness of door panel (t).

Step 4 Adjust the Frame

  • If necessary, cut interior frame (frame without swinging flap) to correct length with sharp knife.
  • Keep hands clear of blade and support inside of moulding with a suitable piece of wood.

Step 5: For door panels 0 - 7/8" thick Position the Frame

  • Position interior frame on inside of door and mark four screw positions.

Step 6 Drill Holes

  • Remove frame and drill screw clearance holes in panel to approximately 3/16 inch diameter.

Step 7 Select Screws

  • Select appropriate screws.

Step 8 Position the Outside Frame

  • Position exterior frame on outside of door. Screw interior frame to it by using appropriate screw for panel thickness (t) (see Fig. 8).
  • Finally, fit screw caps.

Step 9: For door panels 7/8" or more thick Drill the Holes

  • Drill out four screw holes in exterior frame to allow close clearance on screws.
  • (Recommended drill 3/16 inch diameter).

Step 10 Attach Interior Frame

  • Screw interior frame on inside of door, using short 1/2 inch screws.

Step 11 Attach Exterior Frame

  • Screw exterior frame on outside of door using 3/4 inch screws. Finally, fit screw caps.
installation video image
Installation icon Difficulty Moderate
Installation icon Steps 05
Installation icon Time Required 1-2 hours
Installation icon Sections 01
Installation icon Flags 00

Parts

  • Cutout template
  • Interior frame
  • Exterior frame
  • Screws and screw covers

Tools

  • Jigsaw
  • Measuring tape
  • Drill

Step 1 Position the Template

  • Position the template on the installation location and trace around it.
  • Make sure that the bottom of the template is about level with your pet’s stomach. You can place it lower if you would like. If you choose to place it lower, make sure that it is not too low that it compromises the structural soundness of the door/panel or forces your pet to stoop when in use.

Step 2 Make the Rough Cutout

  • Prior to cutting, make sure that the cut-out line is level. Using a jigsaw, cut along the inside of that line, and be very careful to cut that hole square to the door.
  • The cut-out must be level and even for the pet door flap to swing freely and function correctly.

Step 3 Test Fit the Frames

  • Dry fit the frame cut-out to make sure that the pet door is swinging properly. Then follow the recommended instructions for your door or material thickness.

Step 4 Determine Door Thickness

  • Take a measuring tape and determine the thickness of your door/panel.
  • If you are installing your 234/235 door into a thinner panel, less than 1-¼”, it may be necessary to trim the interior frame (the one that does NOT have the swinging flap). Make sure to keep hands away from the blade and use a piece of wood to support the inside of the frame.

Step 5 For Doors/Panels 0" – 7/8” Thick

  • Put the INSIDE frame (one without the flap) on the inside of the door/panel and mark the screw spots with a pencil.
  • Remove the frame and drill out the 4 holes to 3/16” in diameter.
  • Choose the appropriate screws from the ones included in the instruction packet.
  • Position the OUTSIDE frame (one with the flap) on the exterior and screw the inside frame to it, sandwiching it to the door/panel.
  • Put on the screw covers.

Step 6 For Doors/Panels 7/8” – 2” Thick

  • Put the OUTSIDE frame (one with the flap) on the exterior of the door/panel and mark the screw spots with a pencil and drill them out to 3/16” diameter.
  • Screw the inside frame on interior of the door using ½” screws.
  • Screw exterior frame on the outside of the door with the ¾” screws.
  • Put on the screw covers.
  • Enjoy your new Cat-Mate 234/235.

Videos

To Replace the Flap in a Catmate or Dogmate Pet Door

FAQ

Where can I find replacement flaps?

Replacement Flaps for this Cat Flap may be found at Cat Mate 221 Large Cat Replacement Flap.

Is the flap on the cat mate 221 large cat door clear?

The flap is clear, but tinted darker.

Can I use a different flap that is clear instead?

Flaps usually are not interchangeable between models as they attach to the door differently, so the flap that comes with the door is the only option that is compatible for pet mate cat mate doors.

Is the flap flexible?

No, the flap is hard plastic.

What is the thickness range for this door?

This door fits materials 0-2" thick and is great for storm doors and interior/exterior doors.

Can I install the 221 in a wall?

It is possible to install the two halves on either side of your wall for an interior cat door, however there is no cat mate 221 wall liner, so you would need to find a diy way to build a tunnel and attach the frames, making sure to caulk the edges to prevent water leaking into the wall. The Cat Mate 234/235 is a similar smaller product that can be installed in walls.

Are the magnets removable?

No, they are not. If your cat is having issues pushing through, you can put some tape over the magnets on the frame to lessen the attraction.

Can I install this in glass?

Yes, thin panels and thinner material like plexiglass can accommodate this door.

Can I lock this door at night?

Yes, there is a built-in 4-way locking feature.

What does a 4-way lock mean?

That means there are 4 locking options: 1) unlocked 2) locked 3) locked going out only 4) locked coming in only

What pet supplies hardware comes with this door?

Short and long screws, and screw hole covers.

Is the cat mate large cat door good for interior installation?

It can be used on interior or exterior doors.

Is the cat mate large cat flap door the same as the chubby kat door?

It is not the same, they are just both for larger pets.

Is this considered a good big cat door?

Yes this is a very good, best seller, economical choice if you need a cat flap with a little extra room.

Where can I find a Dog Mate large dog door?

The Dog Mate 215 and 216 are larger pet doors in stock that are available in two sizes. The flap size for the 215 is 8 3/4" w x 10 1/4" h and the 216 is 11 3/4" w x 14 1/8" h.

Does the manufacturer make a dog mate large dog door?

They do, those would be the Dog Mate 215 and 216 dog doors.

I bought a Model # 221WD in the past. Is this the same pet door?

Yes it is. It is the Small Dog Door with a flap size of 7"w x 7"h.

Where can I find replacement flaps

The replacement flap for this pet door can be found at Cat Mate Replacement 234 & 235 Replacement Flaps. The dimensions of these doors are identical to the now discontinued 304 and 309 cat flaps.

What is the difference in 2-way locking cat door and 4-way locking cat door?

The two-way only locks or is unlocked, where the four-way can be set for locked, open, in only, or out only.

Does this come with all the Cat Mate cat door instructions and hardware?

Yes, it will come with everything you need to install it, except the tools.

Is there a difference between the Cat Mate 4-Way Locking Cat Flap with Door Liner and the Cat Mate 4 Way Locking Cat Flap?

They are actually the same doors, only the first model is just more descriptive letting you know that it does come with the liner.

Can you use this on an interior door?

The two-way locking model 234 is actually the best cat door for interior door or wall installation. It's a simple design, but is still lockable and can be paired with tunnels for wall installs.

Is the Cat Mate 4-way locking cat flap the same size as the 221?

No, the 221 is slightly larger. However, this is the same size as the Cat Mate 309 and Cat Mate 304 which is discontinued.

What tunnel section do I need for a Cat Mate 234 or 235 door to put it through a 7" wall and how many?

The Cat Mate 234 or 235 Manual Cat Flap and Wall Framing Kit would work for the tunnel sections and you would need 3 to put it through a 7". In this case as the 235 would frame out 2" on its own and the 3 sections would give you an additional 6" and you just trim down the extra.Below is a table that outlines the liner requirement based on the thickness of the wall you are installing the dog door for wall in: 
 

Wall ThicknessLiners Required
51-90mm (2-4")1
100-149mm (4-6")2
150-199mm (6-8")3
200-249mm (8-10")4
250-299mm (10-12")5

Do you have Cat Mate 4 way locking cat flap instructions?

Each pet door ships with operation and installation instructions. If you want to know in advance you can find Installation instructions on this page in the Installation Instructions tab.

I lost my installation manual, where can I find instructions?

On this page, go the Installation Instructions tab for detailed information.

What Manual Cat Mate pet door should I order to get the locking 4 way flap?

You will want to order Model 235 which has a stock number os 03AM235.

Is there a version of this door big enough for dogs?

Not exactly, but you can check out Dog Mate dog doors to find similar options.

How much does shipping cost?

Shipping is calculated at checkout.

Warranty

Cat Mate/ Dog Mate/ Ani Mate 3 Year Limited Warranty

Guarantees your purchase for a period of three years from the date of original purchase against any defect arising due to faulty materials or manufacture. Accordingly, any defective item will be repaired free of charge or replaced at the manufacturer’s option provided that the defect has not been caused by neglect, misuse, or normal wear and tear and proof of purchase date is supplied. Your statutory rights are not affected.



Customer Reviews

Cat Mate Locking Cat Door

White / 221 Deluxe (4-way lock) Edit

Cat Mate Locking Cat Door

Size Chart

Flap Dimensions:

7"w x 7 1/4"h

The entry way your dog goes through.

Outside Frame Dimensions

9 1/4"w x 10"h

The outer edge of the pet door.
flap dimensions
frame dimensions
rough cutout dimensions

Rough Cut Out:

8 5/8"w x 10"h

The size of the hole needed to fit your pet door into your door.

Flap Dimensions:

5 3/4" x 5 3/4"h

The entry way your dog goes through.

Outside Frame Dimensions

7 5/8"w x 7 7/8"h

The outer edge of the pet door.
edura small
edura frame
edura roughcut

Rough Cut Out:

6 1/2"w x 6 7/8"h

The size of the hole needed to fit your pet door into your door.
ModelFlap DimensionRough Cut OutOutside Frame DimensionRecommended Pet Height
Cat Mate 2217" w x 7 1/4" h8" w x 8 3/4" h9-1/4" w x 10" h5" - 10"
Cat Mate 2345 3/4" w x 5 3/4" h 6 1/2" w x 6 7/8" h 7 5/8" w x 7 7/8" h4" - 9"
Cat Mate 2355 3/4" w x 5 3/4" h6 1/2" w x 6 7/8" h7 5/8" w x 7 7/8" h4" - 9"


 

Not sure if this is the correct flap size? Here is a measurement guide to help you out.

Find The Best Pet Door Size For My Pet

A

Pet Height: inches

B

Pet Width: inches

Please fill the above fields.

Frame Material

Plastic

Flap Material

Acrylic

Flap Colors

Clear

Flap Thickness

1/8

Warranty Period

3 years

Return Period

30 days

Flap Type

Single Flap

Your Maximum Pet Size

Cats, Large Cats

Climate Suitability

Temperate-3 Season

Flap Design

Single, One Part, Rigid, Thin Flap

Ability to Lock Flap

Deluxe (4-way lock)

Can Be Installed In

Aluminum Door, Hollow Core Door, Metal Door, Polycarbonate, Plywood or Other Thin Material, Solid Core Door, Steel Door

Award Winning Design

No

Sealing Value

Average

Wind Resistance

Average

Self Framing

Yes

Replacement Flaps Available

Yes

Insulation Value

Low

Installation Instructions

installation video image
Installation icon Difficulty Easy
Installation icon Steps 11
Installation icon Time Required 1-2 Hours
Installation icon Sections 02
Installation icon Flags 02

Parts

  • Cat Mate 221 Pet Door
  • Installation Template
  • Screws

Tools

  • Electric Jigsaw
  • Drill

Please read instructions & notes thoroughly before installation.

Step 1 Mark the Outline

  • Place template in desired position on door and draw round it.
  • We recommend the bottom of the hole is approximately level with your pet’s stomach.

Step 2 Make the Cutout

  • Use an electric jig-saw to cut along inside of drawn line.
  • Be careful to cut hole square to the door, particularly with thicker doors.
  • Ensure frames are free-fitting in hole.

Step 3 Door Thickness

  • Determine thickness of door panel (t).

Step 4 Adjust the Frame

  • If necessary, cut interior frame (frame without swinging flap) to correct length with sharp knife.
  • Keep hands clear of blade and support inside of moulding with a suitable piece of wood.

Step 5: For door panels 0 - 7/8" thick Position the Frame

  • Position interior frame on inside of door and mark four screw positions.

Step 6 Drill Holes

  • Remove frame and drill screw clearance holes in panel to approximately 3/16 inch diameter.

Step 7 Select Screws

  • Select appropriate screws.

Step 8 Position the Outside Frame

  • Position exterior frame on outside of door. Screw interior frame to it by using appropriate screw for panel thickness (t) (see Fig. 8).
  • Finally, fit screw caps.

Step 9: For door panels 7/8" or more thick Drill the Holes

  • Drill out four screw holes in exterior frame to allow close clearance on screws.
  • (Recommended drill 3/16 inch diameter).

Step 10 Attach Interior Frame

  • Screw interior frame on inside of door, using short 1/2 inch screws.

Step 11 Attach Exterior Frame

  • Screw exterior frame on outside of door using 3/4 inch screws. Finally, fit screw caps.
installation video image
Installation icon Difficulty Moderate
Installation icon Steps 05
Installation icon Time Required 1-2 hours
Installation icon Sections 01
Installation icon Flags 00

Parts

  • Cutout template
  • Interior frame
  • Exterior frame
  • Screws and screw covers

Tools

  • Jigsaw
  • Measuring tape
  • Drill

Step 1 Position the Template

  • Position the template on the installation location and trace around it.
  • Make sure that the bottom of the template is about level with your pet’s stomach. You can place it lower if you would like. If you choose to place it lower, make sure that it is not too low that it compromises the structural soundness of the door/panel or forces your pet to stoop when in use.

Step 2 Make the Rough Cutout

  • Prior to cutting, make sure that the cut-out line is level. Using a jigsaw, cut along the inside of that line, and be very careful to cut that hole square to the door.
  • The cut-out must be level and even for the pet door flap to swing freely and function correctly.

Step 3 Test Fit the Frames

  • Dry fit the frame cut-out to make sure that the pet door is swinging properly. Then follow the recommended instructions for your door or material thickness.

Step 4 Determine Door Thickness

  • Take a measuring tape and determine the thickness of your door/panel.
  • If you are installing your 234/235 door into a thinner panel, less than 1-¼”, it may be necessary to trim the interior frame (the one that does NOT have the swinging flap). Make sure to keep hands away from the blade and use a piece of wood to support the inside of the frame.

Step 5 For Doors/Panels 0" – 7/8” Thick

  • Put the INSIDE frame (one without the flap) on the inside of the door/panel and mark the screw spots with a pencil.
  • Remove the frame and drill out the 4 holes to 3/16” in diameter.
  • Choose the appropriate screws from the ones included in the instruction packet.
  • Position the OUTSIDE frame (one with the flap) on the exterior and screw the inside frame to it, sandwiching it to the door/panel.
  • Put on the screw covers.

Step 6 For Doors/Panels 7/8” – 2” Thick

  • Put the OUTSIDE frame (one with the flap) on the exterior of the door/panel and mark the screw spots with a pencil and drill them out to 3/16” diameter.
  • Screw the inside frame on interior of the door using ½” screws.
  • Screw exterior frame on the outside of the door with the ¾” screws.
  • Put on the screw covers.
  • Enjoy your new Cat-Mate 234/235.

Videos

To Replace the Flap in a Catmate or Dogmate Pet Door

FAQ

Where can I find replacement flaps?

Replacement Flaps for this Cat Flap may be found at Cat Mate 221 Large Cat Replacement Flap.

Is the flap on the cat mate 221 large cat door clear?

The flap is clear, but tinted darker.

Can I use a different flap that is clear instead?

Flaps usually are not interchangeable between models as they attach to the door differently, so the flap that comes with the door is the only option that is compatible for pet mate cat mate doors.

Is the flap flexible?

No, the flap is hard plastic.

What is the thickness range for this door?

This door fits materials 0-2" thick and is great for storm doors and interior/exterior doors.

Can I install the 221 in a wall?

It is possible to install the two halves on either side of your wall for an interior cat door, however there is no cat mate 221 wall liner, so you would need to find a diy way to build a tunnel and attach the frames, making sure to caulk the edges to prevent water leaking into the wall. The Cat Mate 234/235 is a similar smaller product that can be installed in walls.

Are the magnets removable?

No, they are not. If your cat is having issues pushing through, you can put some tape over the magnets on the frame to lessen the attraction.

Can I install this in glass?

Yes, thin panels and thinner material like plexiglass can accommodate this door.

Can I lock this door at night?

Yes, there is a built-in 4-way locking feature.

What does a 4-way lock mean?

That means there are 4 locking options: 1) unlocked 2) locked 3) locked going out only 4) locked coming in only

What pet supplies hardware comes with this door?

Short and long screws, and screw hole covers.

Is the cat mate large cat door good for interior installation?

It can be used on interior or exterior doors.

Is the cat mate large cat flap door the same as the chubby kat door?

It is not the same, they are just both for larger pets.

Is this considered a good big cat door?

Yes this is a very good, best seller, economical choice if you need a cat flap with a little extra room.

Where can I find a Dog Mate large dog door?

The Dog Mate 215 and 216 are larger pet doors in stock that are available in two sizes. The flap size for the 215 is 8 3/4" w x 10 1/4" h and the 216 is 11 3/4" w x 14 1/8" h.

Does the manufacturer make a dog mate large dog door?

They do, those would be the Dog Mate 215 and 216 dog doors.

I bought a Model # 221WD in the past. Is this the same pet door?

Yes it is. It is the Small Dog Door with a flap size of 7"w x 7"h.

Where can I find replacement flaps

The replacement flap for this pet door can be found at Cat Mate Replacement 234 & 235 Replacement Flaps. The dimensions of these doors are identical to the now discontinued 304 and 309 cat flaps.

What is the difference in 2-way locking cat door and 4-way locking cat door?

The two-way only locks or is unlocked, where the four-way can be set for locked, open, in only, or out only.

Does this come with all the Cat Mate cat door instructions and hardware?

Yes, it will come with everything you need to install it, except the tools.

Is there a difference between the Cat Mate 4-Way Locking Cat Flap with Door Liner and the Cat Mate 4 Way Locking Cat Flap?

They are actually the same doors, only the first model is just more descriptive letting you know that it does come with the liner.

Can you use this on an interior door?

The two-way locking model 234 is actually the best cat door for interior door or wall installation. It's a simple design, but is still lockable and can be paired with tunnels for wall installs.

Is the Cat Mate 4-way locking cat flap the same size as the 221?

No, the 221 is slightly larger. However, this is the same size as the Cat Mate 309 and Cat Mate 304 which is discontinued.

What tunnel section do I need for a Cat Mate 234 or 235 door to put it through a 7" wall and how many?

The Cat Mate 234 or 235 Manual Cat Flap and Wall Framing Kit would work for the tunnel sections and you would need 3 to put it through a 7". In this case as the 235 would frame out 2" on its own and the 3 sections would give you an additional 6" and you just trim down the extra.Below is a table that outlines the liner requirement based on the thickness of the wall you are installing the dog door for wall in: 
 

Wall ThicknessLiners Required
51-90mm (2-4")1
100-149mm (4-6")2
150-199mm (6-8")3
200-249mm (8-10")4
250-299mm (10-12")5

Do you have Cat Mate 4 way locking cat flap instructions?

Each pet door ships with operation and installation instructions. If you want to know in advance you can find Installation instructions on this page in the Installation Instructions tab.

I lost my installation manual, where can I find instructions?

On this page, go the Installation Instructions tab for detailed information.

What Manual Cat Mate pet door should I order to get the locking 4 way flap?

You will want to order Model 235 which has a stock number os 03AM235.

Is there a version of this door big enough for dogs?

Not exactly, but you can check out Dog Mate dog doors to find similar options.

How much does shipping cost?

Shipping is calculated at checkout.

Warranty

Cat Mate/ Dog Mate/ Ani Mate 3 Year Limited Warranty

Guarantees your purchase for a period of three years from the date of original purchase against any defect arising due to faulty materials or manufacture. Accordingly, any defective item will be repaired free of charge or replaced at the manufacturer’s option provided that the defect has not been caused by neglect, misuse, or normal wear and tear and proof of purchase date is supplied. Your statutory rights are not affected.