The Ferplast Extension Tube is an accessory designed to expand the functionality of cat flaps installed in pet doors, especially suitable for thicker structures requiring a modular fit. Made of white plastic, this tube measures 15.5 x 16 x 5 cm, a medium size that allows easy integration without compromising aesthetics or durability. Its modular design ensures compatibility with Ferplast swing systems models 1, 3, and 5, providing a simple and secure installation on thicker doors that do not support conventional mounting. This extension tunnel offers a practical solution to adapt the pet door in various settings, increasing the base product’s versatility. Screws are not included, so it is recommended to purchase them according to the installation type required. Overall, this accessory complements and enhances the functionality of Ferplast cat flaps, providing a customized fit that facilitates comfortable and safe pet passage through doors of varying thickness.
