Ideal Plastic "Air Seal" "Ultra-Flex" Pet Door

SKU# 03RIuf

  • Ultra Flex pet door for dogs and cats
  • Three part flap promotes energy efficiency
  • Fits into doors 1 ¼” ‒ 1 ¾” thick
  • Comes in white only
  • Sizes available in medium and extra large

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Stock No: 03RIuf

Availability: In stock

Price From: $120
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Price From: $120
Ideal Plastic "Air Seal" "Ultra-Flex" Pet Door
Air seal pet door by Ideal pet products is a economical yet insulating pet door

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  • Ultra Flex pet door for dogs and cats
  • Three part flap promotes energy efficiency
  • Fits into doors 1 ¼” ‒ 1 ¾” thick
  • Comes in white only
  • Sizes available in medium and extra large
Flap SizeFlap DimensionRough Cut-OutOutside Frame
Stock No
Mfr No
Medium6 5⁄8" w x 11 1⁄4" h8 5⁄8" w x 13 5⁄8" h10" w x 14 3⁄4" h03RI31
Extra Large10 1⁄4" w x 15 3⁄4" h12 1⁄4" w x 17 3⁄8" h13 3⁄4" w x 18 5⁄8" h03RI33

Don't know which flap size to get? Here is a measurement guide to help you out

Replacement Flaps Replacement Flaps are available at Ideal "Ultra Flex"
Replacement Flaps

The cost effective Ultra Flex Dog Door features a three-part flap made of hollow, polycarbonate material to provide prime insulation. The three parts have flexible hinges between them for added comfort during use. Surrounded by plastic weather stripping, the draft resistant seal prevents wind and weather from entering your home. This pet door will provide energy efficiency and keep you and your pet happy.



  • Sizes available in medium and extra large
  • White, ABS plastic frame is durable and non-corrosive
  • Telescoping frame installs in doors 1 ¼” ‒ 1 ¾” thick
  • High insulation value
  • Flap swings on a rod for longer use



  • Three section flap design keeps the door airtight
  • Thicker flap prevents dogs from chewing them
  • Plastic frame ideal for enduring all climates
  • Allows your pet the freedom to come and go as they please

Customer Reviews

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  • Works but.. review by Mone
    5 3 Works but..

    This works great to keep the cold air out, but the rubber parts in between the panels wear out pretty quickly if you have more active dogs. FYI you can only get the parts to replace that from the manufacturer

    (Posted on 9/10/2018)

  • Excellent product that fits perfectly review by Michael
    5 5 Excellent product that fits perfectly

    I ordered this product to replace a worn out door that was 9 years old. The new door fits perfectly, was easy to install and is working fine.

    (Posted on 8/4/2017)

  • Great but a bit pricey! review by Kent
    5 4 Great but a bit pricey!

    The replacement part was perfect fit and went in without any trouble at all. It's great to be able to replace just the flap and the piece around it rather than the whole door. But replacing just the flap wasn't an option this time because the insulation was all worn out.

    (Posted on 5/5/2017)

  • rubber part between flaps wears out very quickly review by cuky
    5 1 rubber part between flaps wears out very quickly

    The rubber flap holding the flaps together deteriorates within a year. Have to buy whole new flap which is not cheap. I have gone through 2 in 18 months. Worst doggie door I have ever purchased.

    Editor's note: You can purchase replacement rubber pieces directly from the manufacturer, Ideal Pet Products. They also have a 1 year warranty.

    (Posted on 3/26/2017)

  • Great product review by Bruce
    5 5 Great product

    I have the one that installs in a sliding glass door. It looks like it was made for that spot perfectly. I have had 3 different brand of dog doors and this one is by far the best. The vinyl flap type never lasted with my dogs as they run through it full force. This one lasts way longer and doesn't fly open on windy days. They also have great customer service.

    (Posted on 12/13/2015)

  • Dangerous! review by Lil' Radar
    5 1 Dangerous!

    (ed. note: This customer has been contacted to help find a replacement flap or door. Although our website distributes, does not manufacturer Ideal Pet Products. )

    My little dog was trying hard to learn to go through this door that came installed in a storm door we bought but today when he started through, he changed his mind and tried to back out. When he did, the bottom flap closed but the top on stayed open creating a triangular hole which he got his head stuck in! If I hadn't been there he could have gotten hurt or broke his neck! This thing is dangerous! We have put the cover over it to block it off and are going to get a flap doggie door next week.

    (Posted on 8/23/2015)

  • The door fit fine review by Roy
    5 5 The door fit fine

    I had trouble trying to find something that would fit in my screen room to replace a custom dog door. This door did the think and is a very nice door.

    (Posted on 5/22/2013)

  • flap hinges need to be stronger review by na
    5 4 flap hinges need to be stronger

    I installed a medium ultraflex brand new about 4 1/2 years ago. It has been a great door until today when I came home and found the flap in two pieces, split at the upper hinge. Maybe the hinges need to be a little heavier duty or of a different material. I would still recommend the door however, especially in colder climates.

    (Posted on 5/13/2013)

  • Wind blows it open review by Dora
    5 2 Wind blows it open

    Fine door as long as there is no wind blowing on it. Have had installers out to "fix". He said something about magnets in wrong and replaced flap. No change so we called again and no return call. Don't know if this is a common problem or if our door is a lemon. When wind blows, door looks just like picture on internet so maybe it is supposed to do this???????

    (Posted on 11/23/2012)

  • Great pet door review by Mike R.
    5 5 Great pet door

    I have had this door for over 5 years. It works like new. Seals out wind. When I installed it I saved the warranty info in case I needed replacement flap in the future. I recently came across the papers and looked up the company to see if the door is still around. I am happy to find that it is. It is by far the best door that I have ever purchased. I hope that the company keeps making it because I am sure that it will not last forever and if and when it breaks I will want to replace or repair it with the same door. I purchased it at Home Depot but they no longer carry it and I haven't seen it any place else. I don't understand why it isn't carried by all stores. It is clearly superior to any other door that I have ever seen.

    (Posted on 3/31/2012)

Weight 13.0000
Manufacturer Ideal Pet Products
Your Maximum Pet Size Cats, Large Cats, Small Dogs, Medium Dogs, Large Dogs
Climate Suitability Temperate-3 Season
Wind Resistance Average
Sealing Value High
Color White
Self-Framing Yes
Frame Material Plastic
Insulation Value High
Flap Material Polycarbonate
Flap Design Single, One Part , Flexible, Insulated Flap
Flap Colors Clear
Flap Thickness 7/8"
Replacement Flaps Available Yes
Ability to Lock Flap Separate Locking Cover-Loads from Top
Locking Cover Material ABS Plastic
Can Be Installed In Aluminum Door, Hollow Core Door, Metal Door, Solid Core Door, Steel Door
Warranty Period 1 year
Return Period 30 days
Manufacturer's Restocking Fee 0

Ideal Ultraflex Pet Door Description Video

Watch this step by step video for a quick and simple installation.


Ideal Ultraflex Installation



Ideal Ultraflex Flap Replacement Video

Click below to expand:


Yes, but you would have to go through Ideal Pet Products, the manufacturer.

This flap is made up of 3 polycarbonate blocks, with a flexible gasket in between them.

Since flaps are not interchangeable you would not be able to use this in place of an Ideal Original, Deluxe, or Ruff Weather replacement.

You do need to remove the pet door frame in order to get to the rod that holds the flap. Once you remove the rod you slide the new flap in, replace the rod endcap, and screw the pet door back in place.

Yes, Ideal only made them in Medium and Extra Large.

No, this is only the replacement flap. 99% of the time you will not need the rod, but if you do that can be ordered through Ideal Pet Products.

No, there is no hardware that comes with it, but you can get some locally or contact Ideal.

It is 3/4" in total thickness.

There is a one year warranty that covers manufacturer defects in workmanship and materials. Any warranty claims would have to go through Ideal Pet Products. For full warranty info click here.

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One Year Warranty And Disclaimer

The new and revised warranty that follows this disclaimer supersedes any and all previous warranties of whatever nature or description, whether express, implied or set by law. Any unexpired warranties shall now be governed by the terms of the new warranty for the duration of the existing warranty’s unexpired term.
Ideal’s pet doors are very durable and with the proper care will provide many years of service for you and your pet. Thank you for selecting Ideal for your pet door. However, please be aware the pet doors are not waterproof against inclement weather or any excessive water exposure. The one year warranty set forth below applies to Ideal’s pet door(s). 
This product has a One Year Warranty from the date of the purchase of the product to be free of manufacturer’s defects in workmanship and materials. This express One Year Warranty is limited only to the original purchaser of the product and is non-transferable. Satisfactory proof of purchase must be provided to the manufacturer for this one year warranty to apply.  In that case, the manufacturer will replace at no charge to the purchaser the defective part(s). No refunds will be provided to the purchaser. No service contract is being provided under this One Year Warranty. Proof of purchase so that the One Year Warranty may be honored must be made to:
Ideal Pet Products, Inc.
24735 Avenue Rockefeller
Valencia, California, USA 91355
Attention: Warranty Department
(661) 294-2266 / 1-877-IDEALPET (433-2573)
Any and all implied warranties are expressly disclaimed and of no force or effect. These warranties include, but are not limited to, the implied warranties of merchantability, implied fitness for any intended purpose, and any warranties under the California Song-Beverly Consumer Act.  
This One Year Warranty is void if damage is due to improper installation, intentional misuse or abuse, repairs by anyone other than the manufacturer, the failure to follow manufacturer’s instructions, or if the product is being used for commercial purposes. Purchaser assumes all risks and liabilities for the misuse or abuse of the product, the commercial use of the product or the failure to follow manufacturer’s instructions.
This One Year Warranty only applies if the product is used for domesticated animals. The Manufacturer, Ideal, is not responsible and shall not have any liability for any damage to or defects caused by acts of god, criminal activity, dog abuse including, but not limited to chewing on the door, lightening, abuse, alteration, trespassing, children’s use of the product, unauthorized access, entry by non-domesticated or “stray” animals, or any other unintended use or misuse of the product.
The Manufacturer, Ideal, disclaims and excludes any liability for incidental, consequential, punitive, general, special or other damages arising out of or connected with the purchase, use, or misuse of the product or concerning any warranty herein.
This One Year Warranty shall be governed by the laws of the State of California, USA. Venue shall be with the Los Angeles Superior Court, North Valley District.
This product, or any of its accessories, parts, or attachments may not prevent adults, children, animals, insects, or objects from passing through or using the opening created by the product.
Ideal Pet Products will not be liable for any unintended or accidental usage, misuse, abuse, criminal conduct, water intrusion, acts of god, damages or injuries occurring or accruing from the use of this product except in strict accordance with Ideal's One Year Warranty accompanying the sale of this product to the original purchaser.