Black Plastic Flap Screws (Set of 6) for Insulator Pet Door or 900 Series Patio Door
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.
Easy to us use
Posted by Deb on 13th Mar 2019
It is a must have when yo are replace A doggie flap if it has up up for awhile.
Buy when you replace
Posted by Deb on 4th Mar 2019
Make sure you Buy when you replace your dog door. Last ones I had lasted 10 yrs when I replace the flap. a few broke when we took them off. Not bad for 10 yrs.