Duraflex Heavy Duty Dog Door - Wall Mount - X-Large POWER PET® DOORS Twisted wire cancels the signal

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

number of times each sensor has been triggered for any selected time period (day

Enter & Exit and No Entry or Exit

The most innovative invention in the history of pet doors

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

Duraflex Heavy Duty Dog Door - Wall Mount - X-Large POWER PET® DOORS Twisted wire cancels the signalDuraflex: 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