Duraflex Heavy Duty Dog Door - Medium Duraflex Pet Doors for Doors The boundary wire easily plugs

The boundary wire easily plugs into these terminals by simply depressing the tab and inserting the wire end

if you want the best wire available our new ULTRA-WIRE exceeds 18-gauge in all respects

They require constant adjustment to keep the field width consistent

We use only double pane

Duraflex doors are professionally engineered to last a lifetime with a high strength aluminum frame

Duraflex Heavy Duty Dog Door - Medium Duraflex Pet Doors for Doors The boundary wire easily plugsDuraflex: The Ultimate Pet Freedom Solution! New Duraflex Pet Doors are the premium brand representing the highest quality, most innovative pet doors made. Our 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