Ideal Pet Products Ruff-Weather Pet Door with Telescoping Frame, Medium, 7.25″ x 13″ Flap Size Price: $104.69 (as of 12/03/2023 07:13 PST- Details) & FREE Shipping.

Durable, energy-efficient all-weather pet door with inner telescoping frame
Made from structural foam molded plastic with clear vinyl insulated flaps
For dogs and cats up to 25 pounds, Rough cutout size for door to be installed through is 11-1/8 in. wide x 19-1/8 in. tall