Endura Double Flap Pet Door for Walls

Endura Double Flap Pet Door for Walls are flexible, safe, and energy efficient in all climates. Translucent, dual-pane flaps seal tightly against the outside weather using a patented system of magnets. This pet door has two, dual-layered flaps (outside frame and inside the frame) for superior energy efficiency. Due to the strong magnetic seal, it may not be suitable for timid, small pets. When closed, the flaps significantly reduce air conditioning and heat loss and withstand winds up to 50 mph.