PetSafe 310 Cat Flap Tunnel Extensions High Tech Pet Products Available in sizes small -

Available in sizes small - extra large to accommodate most dogs and cats

For wall installations

Magnetic key fob collar for cats

Electronic cat door with a magnetic collar

PetSafe 310 Cat Flap Tunnel Extensions High Tech Pet Products Available in sizes small -Wall tunnels designed to allow wall installation for the PetSafe Cat Door 4 Way Locking Flap Each wall extension tunnel section provides 1 7 8 in. framing Measure the wall thickness before purchasing pet door extension pieces Make sure you have enough wall liners to match the wall thickness Available in white only, but can be painted Item has been discontinued The PetSafe 310 cat wall tunnel sections are designed to frame out the Petsafe 4 Way Locking