For wall installations, the tunnel extenders can be stacked together to create a longer approach tunnel when the pet doors are mounted in walls. The Pet Door Tunnel Extender fits snugly onto the 70mm long tunnel that comes with the pet doors. Each tunnel extender adds 50mm to the overall length of the tunnel.
Colour: White Dimensions: 50mm deep (extends overall length of tunnel to 120mm).
Used to extend the depth of approach tunnel to pet door tunnels when mounting in walls
Compatible with the Sureflap Microchip Pet Door and Sureflap Microchip Pet Door Connect
Sure Petcare became the new company name for SureFlap in 2017. After experiencing first-hand the unpleasant consequences of unwanted neighbourhood cats entering his home through the cat flap and terrorising his cat Flipper, Dr Nick Hill - a Cambridge physicist - set out to find a solution. He knew he didn’t want Flipper to wear a collar, so he developed a revolutionary technology that uses a cat’s existing microchip like an electronic door key, giving Flipper exclusive access to his home and leaving intruder animals at the door. After three years of intensive research and development, the Sureflap brand was born.
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