HERMETIC CLOSURE: Soft, transparent flap with magnetic closure for a tight seal EASY INSTALLATION: Easy, do it yourself.
 
FIN DIMENSIONS: 5 1/8 “x 8 7/8”; 3 holes on top of fin for adjustment
 
DOORS COMPATIBLE Brand: Freedom Brand Pet Door, Plastic Brand Pet Door, Weather Extreme Brand Pet Door, Wall Entry Pet Door Brand and Freedom Brand Patio Panel
Pet Door
 
The Replacement Flap Brand is a soft vinyl flap with magnetic closure. Replace your dirty and worn pet door flap and make your pet door look like new. Compatible with Brand Small Pet Door, Aluminum Pet Small Pet Door, Outdoor Pet Small Door, Freedom Panel Small Pet Door, Small Pet Door with Sliding Glass and New Version Aluminum Pet Small Door for Entrance to the wall. Screws and fin mounting bar sold separately. For the extreme weather door, this is the vinyl flap on each side of the insulated yellow flap. If you need to replace the center fin, you will need to purchase a set of thermal fins for extreme weather.

The Wall Entry aluminum entry door uses 2 fins on each side of the tunnel for greater energy efficiency. One flap is for the inner opening and the other is for the outer opening.