Our Catwalk Manual Upgradeable Cat Door For Doors can be upgraded with a simple Catwalk cat door upgrade kit to the new multi-magnet system, eliminating costly and inconvenient battery replacements.
Catwalk Superior cat doors have been designed to be maintenance free by eliminating problems often associated with cat doors such as broken flaps, broken opening and closing systems, noise and seal damage by pets, rusting screws and difficulties with large cats.To overcome these problems the cat flaps are made from high impact Polycarbonate (Makrolon) plastic from Bayer of Germany, a world leader in plastic technology. This high impact plastic is also used in the manufacture of bulletproof vests and aircraft windows.
