Extension tunnel for Sureflap Microchip Pet door and the Microchip pet door connect.
The SureFlap pet door tunnel extender fits snugly onto the tunnel of the SureFlap Microchip Pet Door and multiple extenders can be stacked together to form a tunnel of any length.
The tunnel of the SureFlap Microchip Pet Door is 70mm long and each pet door tunnel extender adds 50mm to the length of the pet door’s tunnel