SHZOND Aluminum Frame Large Dog Door with Double-side Magnetic Flaps 17.5" W x 27.7" Height

Heavy Duty Doggie Door for Dogs - Free Your Funny Doggy to Pass IN and OUT 

Heavy duty double flap dog doors can be installed on all types of doors and interior walls in [1 3/16"-3 2/3"] thickness, suitable for pets under 220 lbs. Flap Opening: [14 1/5"W×24 1/2"H]. Frame: [17 1/2"W×27 2/3"H].

Double flaps have 12 pieces strong magnetic on the edge of each flap, which will quickly tight close after passing.

No noise even in bad windy & rainy weather.

The inside of the frame is surrounded by black brush, which effectively reduce flap swing and prevents dust out.

Double-side Magnetic Flaps.

Durable Aluminum Frame & Panel.

Waterproof in Rainy Weather.

Slide-in Panel for Home Safety.

Flaps can take out for Replacement & Cleaning.

Easy Installation with Manual and Template.