Armor Flex Patio Pet Door, Large, Regular Height ALL BATTERIES & CHARGERS NOTE: This battery is required

NOTE: This battery is required for all of the new High Tech Pet MS-4 and MS-5 Digital Ultrasonic Collars

Its durable construction is designed to withstand everyday wear and active pets

For TX-2 Pet Fence Transmitter

Built to solve the common pain points of traditional flap pet doors

Armor Flex Patio Pet Door, Large, Regular Height ALL BATTERIES & CHARGERS NOTE: This battery is requiredArmor Flex Low E Patio Pet Doors Armor Flex patio pet doors are the most secure and most energy efficient pet doors for sliding glass door installation. These super high quality units are constructed with a heavy duty, all aluminum frame, double pane, Low E glass and all stainless steel hardware. They come with a universal lock that mates with any sliding glass door. These beautiful pet doors install in just minutes in virtually any sliding glass door