This energy-efficient pet door features double flaps that insulate against extreme cold or heat. It includes a magnetic seal that can be reduced in strength for lightweight pets or increased for wind resistance. Its also made to prevent shrinking or yellowing in the sun. The sturdy aluminum frame works with all wall types and you wont have to look at unsightly hardwareits designed to be completely hidden. When youre ready to head to bed or go on vacation a secure locking cover helps keep unwanted guests from getting into your home. This premium pet door is also available in multiple sizesperfect for furry friends both large and small!

Endura Flap Double Flap Pet Door for Walls Black XL
$83.18