Large Size Plastic Chubby Kat Inside Frame. Also Fits Medium Pet Flap and Hefty Kat Models
To determine the correct size door, simply measure the width (A) and height (B) of your pet.
(A) Measure the widest point of your pet's shoulder.
(B) Measure from the top of your pet's back (just behind their head) to the bottom of chest.
Pet door models have different size openings. Just make sure your new pet door's opening is both wider and taller than your pet's measurements to ensure they can comfortably pass through.
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Perfect fit replacement
Easy to install. Great product!
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Nice looking and easy
we order this and the flap since are cats wore out the door in 4 years. it was starting to stick and our smallest cat was having trouble getting in now they are worse then kids running in and out
