PetSafe Staywell Tunnel Extension for PetSafe 300, 400, 500 Series Pet-Entry Doors, White
Price 7.15 - 19.10 USD
For use with the 300 400 or 500 series Staywell doors, Each model 310 extension is 1-7/8"", Multiple extensions can be used to extend the tunnel area, Your Pet will Love it, SKU: GVDS061