Endura Flap Pet Door Thermo Panel 3E - Small Flap (6x22x 11x22), Height Range (77.25x22 - 80.25x22) White Aluminum Frame

Excellent design that is flexible and safe. It is insulated, durable and has an environmentally friendly flap with adjustable magnet strength makes training simple All weather version for outstanding energy efficiency and maximum wind resistance from moderate to the most extreme climates Heavy gauge aluminum framing suitable for quick and easy installation into your sliding glass door or patio panel. Ideal opening dimensions for all breeds that can be shared between pets of different sizes. Made in USA. Includes a sturdy security locking cover to close off access when not in use If you have a sliding glass door, you won’t break a sweat installing this attractive sliding glass dog door -- the only one on the market that doesn‘t require a single tool. The Thermo Panel 3e comes to you with a dog door built in, so all you have to do is insert the panel into the inside track of your sliding door. While the panel is a breeze to install, it’s also sturdy and insulated, keeping winter and summer air outside, where weather belongs.