AirSeal/UltraFlex Replacement Plastic Outside Frame

$11.25 - $21.25
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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 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.

  • 1
    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. All of our products are warranted against manufacturing defects. Please call us toll free at 1-800-378-4385 Monday – Friday 8AM – 4PM PST (excluding holidays) or email us at: and allow us to resolve the issue.