PetSafe Wall Entry Pet Door with Telescoping Tunnel, Pet Door for Dogs and Cats, Available in Small, Medium and Large

$59.95 (as of September 21, 2019, 1:04 am)

Durable aluminum dog door
Ideal for a number of different wall materials including all types of siding, stucco, and brick
Telescoping Tunnel allows for installation into walls 4.75″ to 7.25″ thick