It works pretty well but there is no seal between the extension and the door kit.
Petsafe dog door extension tunnel.
Consider where in your home you ll place your door.
Consider which pets need access and the size of each pet.
We installed our petsafe door petsafe wall entry aluminum pet door with telescoping tunnel pet door for dogs and cats large for pets up to 100 lb through a brick wall so we needed this extension.
The petsafe microchip cat door tunnel extension allows the petsafe microchip cat door to be installed into thicker doors or walls adding 2 in.
Install your door in a wall more than 7 thick with this additional tunnel extension.
Fits the petsafe magnetic key cat door and petsafe 4 way locking cat door for installation in interior or exterior doors and walls thicker than 2 1 8 each tunnel measures 1 7 8 thick and is stackable so multiple tunnels can be added together for any wall thickness white tunnel made from durable high impact plastic 1 tunnel included.
With its reinforced aluminum corners the freedom aluminum pet door is designed to withstand wear and tear.
The lock will not drop down when i put the collar key on the tunnel for the 400 series deluxe magnetic 4 way locking cat flap.
Additional tunnel for the wall entry aluminum pet door new model.
Multiple tunnels can be used in order to fit the needed door or wall.
Adding the tunnel is simple with no tools required and each extension can be secured in to place with glue for a flush precise fit.
Petsafe wall entry kit smartdoor extension tunnel is designed to work with the petsafe electronic smartdoor wall entry conversion kit to install the large petsafe electronic smartdoor into brick concrete or other thick wall construction more than 7 1 4 thick.
Petsafe wall entry aluminum pet door with telescoping tunnel pet door for dogs and cats medium for pets up to 40 lb.
Consider the type of door or wall where you ll install.
The tunnel overlaps the pet door frame by 1 inch and fits walls 8 12 inches thick for the medium and large tunnel or 8 10 inches for the small tunnel.
To the overall depth with each tunnel.