AirSeal/UltraFlex Plastic Outside Frame (Small, Medium & Extra Large Sizes). Designed For Door With Flexible 2 or 3-Part LEXAN» Plastic Flap.
How to Measure Your Ideal Pet
To determine the correct size door simply measure the width (A) and height (B) of your pet.
(A) Measure the widest point of your pets shoulder
(B) Measure from the top of your pets back (just behind his head) to the bottom of chest.
Different than original
Posted by Daniela DiMarco Healy on 6th Dec 2016
I cannot use this outside frame since it's made differently than the original. It now has a wider inside lip around the frame that fits inside the door which does not make the whole frame fit snugly against the door, allowing water to get in. Had to put the old outside frame back on.
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