Radio System/Staywell MEDIUM PET DOOR

Pet door with security panel. White with see-through flap. Made of heavy-duty thermoplastic suitable for wooden or metal door or walls. No. 715US: Small, overall frame size: 9-1/4" H. x 7-3/4" W., cut out size: 7-1/8" H. x 6-1/8" W., pet shoulder width: 5-3/4" No. 740US: Medium, overall frame size: 13-7/8" H. x 11-1/2" W., cut out size: 10-3/8" H. x 9" W., pet shoulder width: 8-5/8" No. 760US: Large, overall frame size: 18-3/8" H. x 15-3/8" W., cut out size 14" H. x 12" W., pet shoulder width: 11-3/8"