Petsafe Extreme Weather Sliding Glass Pet Door

Sliding glass door insert panel with double vinyl flaps that protect against drafts  Easy to install-- no tools required! Fits track heights 75 7/8" - 81" tall Two flap sizes Medium 8 3/4” x 13 3/16” for pets under 13" tall & Large 10 1/4” x 16 3/8” for pets under 19.5" tall Comes with a charley bar for added security  Slide in plastic closing cover to keep pets in when needed The Extreme Weather Sliding Glass Pet Door is Petsafe's most energy-efficient sliding glass pet door that lets your dog come and go without letting in drafts or rain.  The Extreme Weather Sliding Glass Pet Door requires minimal installation. You can secure this pet door in place using only removable strips. If you’re looking for a more permanent solution, you have the option to install it with screws too. With such a simple setup, this pet door is easy to bring with you if you ever move homes. This pet door has dual-paned glass, weather stripping and 3 flexible flaps with a magnetic seal to help keep t