Medium, Extreme Weather Pet Door, For Pets 1 To 40 LB, Energy Efficient Choice, 3 Flap Extreme Weather System Offers Best Protection From Elements, Energy Efficiency Is 3.5 Times More Than A Single Flap Pet Door, Adjustable & Flexible, Tinted Flaps Paintable Plastic Frame With Snap On Closing Panel, Can Be Installed In Panel Doors, Wood, Storm, PVC & Metal Doors 1-5/8" To 2-1/4", Interior & Exterior Walls, Cut Out Measurements 9-3/8" x 14".
