PetSafe Sliding Glass Pet Door, Aluminum Frame, Pets Up to 40 lb, Medium

Perfect for Apartments and Rental Homes: This rental-friendly door is easy to install and remove so you can easily take it with you if you and your best friend move
Designed for Medium Pets: Flap opening is 8 1/4 W x 12 3/16 in H for pets up to 40 lb
Security Lock: The latch kit allows you to lock your sliding glass door once the pet door is in place
Control Your Pet’S Access: Use the slide-in closing panel to limit your cat or dog’s access when needed
Energy Efficient: The door has weather stripping and a tinted flap with magnetic closure to keep the heat and cold outside
Strong and Durable: Built to withstand heavy use, the door has an aluminum frame and tempered glass
U.S.-Based Customer Care: Our pet product experts are here to help you and your pet and are available by phone, email or chat if you have any questions
Quality Promise: PetSafe brand has been a trusted global leader in pet behavior, containment and lifestyle innovations since 1998 to help keep your pet healthy, safe and happy