Staywell 300, 400, 500 series Tunnel Extension
One Staywell Cat Flap Tunnel Extension. Tunnel Fits Staywell 300, 400 & 500 series cat flaps. Clip-on section gives 1 7/8"" extra tunnel length allowing the cat flap to be fitted to doors and walls of any depth. You can clip as many sections together as necessary to create a tunnel through any wall or door!
Guide to Choosing Your Pet Door - Short Introduction
Products & Features Guide - Full Introduction
Pet Door Sizes - List of All Pet Door Sizes
Selection Guide - Fundamental Features of All Pet Doors
Fitting Guide - Recommended Fitting / Installation Guide