Endura Flap Pet Door for Thick Walls

Perfect for thick walls: Designed for walls 7 3/4" - 15 3/4" thick; ideal for brick, concrete, or kennel walls Insulating flaps: Flexible flaps withstand 50 mph winds and -40℉ temperatures, ensuring an energy-efficient home Single or double flap: Choose between single or double flap options for optimal insulation Durable aluminum frames: Heavy-duty frames in white or black built to last and match your home's aesthetic Quality and warranty: USA-made with a 90-day return policy and a lifetime warranty for peace of mind  Give your pets the freedom they deserve with the Endura Flap Pet Door for Thick Walls. Designed to accommodate walls 7 3/4" - 15 3/4" thick, this wall-mounted pet door is perfect for homes with brick, concrete, or kennel walls. Its insulating, flexible flaps are capable of withstanding 50 mph winds and temperatures as low as -40℉, ensuring your home stays comfortable and energy-efficient. Choose between single or double flap options to best match your insulation r