DURAFLEX PATIO PET DOOR EXTRA LARGE, REGULAR HEIGHT POWER PET DOORS FOR CATS AND SMALL DOGS Built for Performance

Built for Performance

Please ensure that you order ONLY the B3V1A battery for your MS4 or MS5 collar

3 wire splices and Transmitter Mounting Hardware

Using a high-output ultrasonic signal

DURAFLEX PATIO PET DOOR EXTRA LARGE, REGULAR HEIGHT POWER PET DOORS FOR CATS AND SMALL DOGS Built for PerformanceNEW! DURAFLEXTM PATIO PET DOORS The Ultimate Premium, Built to Last Patio Panel EXTRA LARGE FLAP: for Dogs up to 130 lbs REGULAR HEIGHT: For patio door tracks 75 to 80. 25 high RARE EARTH MAGNETIC FLAP SEALING SYSTEM: Duraflex patio doors feature the ingenious, new duraflex flap that remains air tight and draft free even in winds of up to 50 mph while still being easy to open for any dog or cat. Only Duraflex pet door use our innovative rare earth,