Staywell Tunnel Extension pieces are suitable for: Manual 4-Way Locking Deluxe Cat Flap (300 Series); Magnetic 4-Way Locking Cat Flap (400 Series); Infra-Red 4-Way Locking Cat Flap (500 Series). Each extension adds a further 47mm to your tunnel.
These clip on tunnel extensions allow the cat flap to be fitted to any depth of cavity. More than one extension can be added if necessary.
COLOURS: White; Woodgrain: Grey