Ideal Replacement Flaps for "Original" and "Deluxe" Not Made in USA Low-e Glass to improve energy-efficiency

Low-e Glass to improve energy-efficiency

43-46" and 46-49" can be found on the Whiskers & Windows Cat Door for Horizontal Sliding Windows page

For more on how to install a cat door replacement flap

Cost-effective screen pet door for cats

Motorized flap lifts quietly for pets wearing the MS-4 ultrasonic collar key

Ideal Replacement Flaps for "Original" and "Deluxe" Not Made in USA Low-e Glass to improve energy-efficiencyPerfect Pet Dog Door flap replacement for Original, Deluxe, Fast Fit, Fast Sash, and Modular Pet Doors Original Pet Doors have a plastic frame Deluxe Pet Doors have a metal frame Round and rectangular logos have differences in configuration and are not interchangeable All flaps are made from clear, flexible vinyl These Ideal pet door replacement flaps work for the Original, Deluxe, Fast Fit, Fast Sash, and Modular pet doors. If you're purchasing a