● Inner telescoping frame that adapts to doors of 1/14-inch to 2-inch thickness
● Tamper proof mounting system, pet door cannot be removed from outside
● Impact-resisting super-strong thermoplastic clear flap allows pet to see if slide is in place
● Simple 4-step installation, average install time: 20 minutes)
● Flap size: 7-inch by 11 1/4-inch
● Manufacturer Warranty does not apply to product purchased through Amazon Warehouse Deals
● Need Assistance? E-mail Ideal Pet Products expert US-based customer care specialists seven days a week!