SureFlap Tunnel Extender for Microchip Pet Door and Connect Pet Door

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  • SureFlap pet door tunnel extender for the SureFlap Microchip Pet Door and Connect Pet Door
  • Each SureFlap extender adds 2" to the pet door
  • Available in white and brown

Want to install a Sureflap RFID collar tag cat door in a wall, but your wall is too thick? The SureFlap Microchip Pet Door Tunnel Extenders make it possible to install a Sureflap Microchip Cat Door into any wall thickness. Each SureFlap tunnel extension adds 2” (50 mm) to the overall length of the tunnel in the pet door, so make sure to measure your wall thickness prior to purchasing. The pet door itself frames out up to 2 ¾”.

If you have not already purchased a microchip cat flap, head to the SureFlap Microchip Pet Door and Wall Mount bundle page to purchase the SureFlap tunnel extensions and door together. Sureflap Microchip pet door wall installation can be used by small to large cats to give specialized access to your cat litter or pet feeder. While the door is made for cats, it can work as a dog door, but only for small dogs. Please read the product description for more information.

Additional Information


SureFlap Microchip Pet Door


Installing the SureFlap Microchip Pet Door Through a Wall

Note: You need to purchase the pet door along with the wall kit.


What other models will this work with?

This tunnel kit for Sureflap Microchip Pet Door will also work with the Sureflap Connect model that was just released.

How many inches does each SureFlap Extender add?

The SureFlap Tunnel adds 2 inches to the pet door which is 2 3/4" thick. If the total you need is a greater thickness than your wall, you can trim one.


SureFlap™ Cat Door Guarantee

Guarantee: SureFlap™ microchip cat flaps carry a 3-year guarantee from the date of purchase, subject to proof of purchase date. The guarantee is restricted to any fault caused by defective materials, components or manufacture. This guarantee does not apply to products whose defect has been caused by normal wear and tear, misuse, neglect or intentional damage.

In the event of a part failure due to faulty parts or workmanship, the part will be replaced free of charge during the guarantee period only. At the manufacturer's discretion, a replacement product may be provided free of charge in the case of a more serious malfunction. Your statutory rights are not affected.

Disclaimer: The SureFlap™ microchip cat flap incorporates selective entry features which have been designed to minimize the risk of unwanted animals entering your home. However, it is not possible to fully guarantee the exclusion of all other animals in all circumstances.

In the rare event of an unwanted animal gaining access to your home, SureFlap cannot accept liability for any damage or inconvenience which may be incurred.

Warning: The motorized catch and manual lock are provided exclusively to prevent the entry of unwanted animals and is not a security device. SureFlap Ltd cannot accept liability for unintended use and the owner of the product accepts full responsibility for supervising the access in and out of the home that it provides.

In households with children, it is essential to include the cat flap in child-proofing considerations. Misuse of the cat flap by a child may result in the child coming into contact with potential dangers. For this reason, young children should be monitored at all times when in the immediate vicinity of the cat flap.

Caution: Prior to installation, it is the responsibility of the user to consult all building codes which may influence the fitting of the cat flap and assess the suitability of a given installation. The user must also consider potential hazards present inside or outside the cat flap as well as the impact that subsequent modifications to your property may have on the existence and use of your cat flap. It is recommended that these assessments are conducted in consultation with a construction professional.

Do not install SureFlap™ in a fire door as it will render the fire door unfit for purpose.

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