Window Pet Door - Window Dog Door

Patio Pacific Thermo Sash III - The Thermo Sash IIIe pet door for sash windows includes dual-pane, insulated, low "E" glass plus the award-winning "Endura" flap.

Features:

Every Thermo Sash IIIe includes the award-winning "Endura" pet door flap--the best engineered high performance pet door flap available.

The "Endura" flap won the coveted Fancy Publications Editors Choice for 2007! Extreme Performance 'Endura' flap - The best pet door flap ever made. Tired of replacing worn out, leaking flaps? You owe it to yourself to investigate the Endura Flap. It seals, it insulates and it will last forever! The "Endura" is guaranteed for 15 years

Dual Pane, Insulated Low "E" Glass is the highest performing glass available. It is standard on the ThermoSash IIIe. This glass unit is guaranteed for 10 years!

Single Pane Window Pet Door -
The Ideal window pet door panels use lighter weight materials and are more economical.