SureFlap Dog & Cat Door Tunnel Extender

By SureFlap
Rated 4 out of 5 stars
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SureFlap Dog & Cat Door Tunnel Extender, White slide 1 of 3
Slide 1 of 3
SureFlap Dog & Cat Door Tunnel Extender, White slide 1 of 3
Color: White
$19.80Chewy Price
In Stock
FREE 1-3 day shipping over $49

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Total Price: $0.00

About This Item

  • Designed to be used with the SureFlap Microchip Small Dog & Cat Door when it’s installed in a wall.
  • Allows you to build an easy-to-access tunnel for your pet to walk up to the door flap.
  • Fits snugly into the 2 ¾ tunnel of the pet door and each extender adds 2 inches to the overall tunnel length of the SureFlap Microchip Small Dog & Cat Door.
  • You can use multiple extenders to make a custom-length tunnel depending on your wall thickness.
  • Comes in two colors so you can choose the one that fits your home’s style.

Compatible with: [SureFlap Microchip Small Dog & Cat Door] (https://www.chewy.com/sureflap-microchip-small-dog-cat/dp/157131).

To install in glass or walls, use SureFlap Cat Door Mounting Adapter.

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Questions & Answers

3 Customer Questions

Is this tunnel extender compatible with the SureFlap DualScan Cat Door?
Answer by Chewy • Jun 17, 2020
This extender is designed to be used with the SureFlap Microchip Small Dog & Cat Door when it is installed in a wall.
What are the dimensions of the tunnel extender?
Answer by Chewy • Feb 09, 2021
Each tunnel extender is 2 inches thick. They are taped to the existing tunnel on the door (same size as the tunnel).
Is the purpose of the extender to permit the cat/dog door to be used in a door with panels?
Answer by Chewy • Sep 29, 2019
This extender is designed to be used with the SureFlap Microchip Small Dog & Cat Door when it’s installed in a wall.

ReviewsWrite a Review

4
Rated 4 out of 5 stars
6 Reviews
83%
Would recommend to a friend
1
16.6667
17%
2
0
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3
0
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4
33.3333
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50
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6 Customer Reviews

Rated 5 out of 5 stars
By Domo on Nov 1, 2021

Measure first...

Would have been great if I had measured first... I ordered one extension, turns out I needed two for a wall install. Otherwise the tunnel extension came fast and attaches to the petdoor like it should. Now I'm waiting for a second one to ship out so I can finish my install.

Rated 4 out of 5 stars
By Jack on Mar 17, 2021

Definately Tape Together

If you need these to extend the tunnel through a wall, like I did, make sure to tape them on the outside like the instructions say. The plastic is fairly thin and gaps will appear at the joints as it flexes. I also made sure the bottom was supported by putting wood shims under it. I didn't want the floor to sag when the cat moved through it. Suggestion for filling the gap between these extensions and the outside trim piece: Use foam tape applied either on the outside of the extender (it it is accessible) or in the inside of the trim piece . Don't get me wrong, I like the product. The pieces fit together nicely and it was the perfect way to get the door installed in our wall.

Rated 1 out of 5 stars
By Phil on Jun 6, 2021

Extender too large

This extender does not fit the small cat flap, it’s far too large the product description is wrong

Rated 5 out of 5 stars
By Cris on Jun 12, 2020

Great product!

It is a great product, works perfectly for my dogs that are so happy now!

Rated 5 out of 5 stars
By Brenda on Mar 21, 2019

This is saving my sleep!

I no longer get woken up by my dog 2-3 times per night to go outside! This is a life saver paired with the petsafe door. Hallelujah!

Rated 4 out of 5 stars
By Chewey on Aug 11, 2018

Great Door

I love the SureFlap Door. It has helped train our puppies to use the potty outside. The only reason I rated it a 4 was because there is some space between the frame and the door itself. I worry about the winter time and heat escaping and cold weather entering.