Freedom Door Premium Medium White , by PetSafe

This solid aluminum frame installs easily and the soft, transparent single flap provides a tight weather seal. The Freedom Aluminum door includes a locking panel that gives you the power to control when your pets can use the door.

Features:

Solid aluminum construction

Locking panel

Color: White

Transparent single flap for weather-tight seal

Easy do-it-yourself installation

Fits doors from 3/8" to 2" thick (0.95 cm - 5 cm)

Dimensions - 12 3/4" x 17 1/2" (32 cm x 44.5 cm)

Flap Opening Dimensions - 8 1/8" x 11 3/4" (20.7 cm x 29.8 cm)

Great for pets up to 40 lbs (18 kg)