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Replaces the original dual-pane glass in your French door with a stock-size dual-pane glass kit that has an Endura Flap dog door built in
This aluminum sash window insert requires no drilling or cutting (can be trimmed 3/4" shorter with a metal cutting blade if needed) and can be installed in seconds
Translucent
polycarbonate for durability
occupying space in the door opening
Endura Flap Thermo Panel 3e for Cats cf-size-large Replaces the original dual-pane glassDurable Aluminum frame (11. 25 inches wide) with Low E glass Most insulating kitty door for sliding glass doors Eliminates heating cooling loss and drafts Comes in white, brushed aluminum, or bronze (black) Adjustable magnet strength promotes easy training How to Measure Your Track Height video guide The Thermo Panel Cat Doors for Sliding Glass Doors are the most energy efficient cat doors on the market, resisting 40 degrees Fahrenheit temperatures