Duraflex Heavy Duty Dog Door - Wall Mount - X-Large POWER PET® DOORS You won’t find a better

You won’t find a better pet door value on Earth

20 Acre Range: Few competing systems come close to this range

Twisted wire cancels the signal field and does not trigger your dog’s receiver collar

You will find it is actually easier to install a POWER PET door than a conventional pet door and certainly easier than installing a "between the studs type door"

You don't need to guess the appropriate stimulus intensity

Duraflex Heavy Duty Dog Door - Wall Mount - X-Large POWER PET® DOORS You won’t find a betterDuraflex: The Engineered, Draft Free Door for Extra BIG Dogs! At last, a Professionally Engineered Pet Door! Duraflex pet doors represent a major advance in mechanical pet door technology and performance. These premium quality, heavy duty pet doors remain air tight even in hurricane force winds yet easily opened by a puppy. How is that possible? The secret is in the ingenious magnetic closure design. Some conventional pet doors use just a few magnets