Dura Flex Heavy Duty Dog Door - Large

Dura Flex: A Revolution in Pet Door Design & Quality!

Your pet deserves the best and so does your home! ! Premium Dura Flex Pet Doors give you the highest quality, toughest, best sealed pet doors on Earth! Patented Dura Flex Heavy Duty doors are 100% air tight and withstand winds up to 50 mph! These doors use patented technology with rare earth magnets embedded along the entire periphery of our unique wide flange flap. Mating magnets in the frame are mounted on floating seals to perfectly mate with the flap to providing a draft free seal at all points. No draft, no air leaks ever!

The Large size flap measures 10. 1/2” X 21 ?” to accommodate most dogs up to 90 lbs. Installs easily in any door 7/8” to 1 1/8” thick.

Dura Flex pet doors may seem a little pricey but, you will not find a higher quality pet door anywhere. compared to the most premium brands you will find they provide better quality, features and performance at a very competitive price offering a great value for your money. Ultra durable frames are made from heavy gauge aluminum with a baked on industrial powder coat finish that resists chipping scratches. Stainless steel hardware protects against rust. Don’t let their beautiful style fool you. Dura Flex pet doors are built to last a lifetime!