MFM Multi-FLex Pet Door Medium, flap size 6 5/8in x 11.25in

The Multi-Flex flap features dual pane LEXAN® hard panels with an air gap in-between for maximum energy efficiency and wind resistance.

In addition, the flaps innovative design helps eliminate the potential for trapping ears, paws and tails. For dogs up to 35lbs.

PLEASE MEASURE CAREFULLY BEFORE ORDERING. Features Include : Maximum energy efficiency. Inner telescoping frame that adapts to doors of 1in to 1.75in thickness. Flap Sizes : 6 5/8in x 11.25in.

Spring loaded locking slide for one-handed use. Low maintenance and durable. Easy, secure installation.