Security Boss Storm Door Pet Door Treadmills The SB72 is designed to

The SB72 is designed to be maintained forever

There are 10 different sizes

Rounded ergonomic handle for comfort

These models feature a flexible flap that seals tightly against magnets and weather stripping in the pet door frame to help make the Hale Screen Model more "bug-proof" than other brand pet doors

Note: These dividers will not work on Intermediate or Large kennels with a side door (without drilling holes for the pins)

Security Boss Storm Door Pet Door Treadmills The SB72 is designed toSpecial Cut Down Pet Doors for Storm Doors & Overhead Garage Doors The Storm Door Pet Door by Security Boss Manufacturing features a heavy duty frame that will fit thinner applications such as storm doors or thin panels. This model has a single flexible vinyl flap that is UV treated to prevent discoloration or warping and is also heat treated to minimize shrinkage in cold weather environments. All Security Boss products are hand built to order. Storm