Endura Flap Pet Doors Endura Flap Thermo Sash 3E Pet Door

The Endura Flap Thermo Sash 3e installs, without the use of tools, into the track of your sash window. It features a beefy aluminum frame, Low-E glass, and the energy-efficient Endura flap pet door. The Endura Flap pet door is manufactured to be flexible, safe, and energy-efficient in all climates. The transparent, dual-pane flap seals tightly against the outside weather using a patented system of magnets. When closed, the flaps significantly reduce air conditioning and heat loss. All doors come with a locking cover and installation instructions. Endura Flap Pet Doors Flap Size: Medium, Color: Bronze, Frame Size: 40" - 43"