Sliding Glass Dog Door 18.9" D x 80.67" W x 0.91" H Aluminum 1 Piece Pet Door White 180掳 Swing Adjustable Height 75-81" Extra-Large Flap 220 lbs

This sliding glass dog door features an adjustable height from 75 7/8" to 80 11/16" to fit most sliding glass doors. The extra-large flap supports pets up to 220 lbs. The 180掳 swing design opens inward or outward for easy movement of large items through the doorway. Aluminum frame ensures long-lasting durability.