Tunnel Extension - Electronic Pet Door magento_productid_2757 Comes with 2 standard-sized tennis

Comes with 2 standard-sized tennis balls

Sometimes chewing shoelaces and sneaking food from the trash can is just too tempting for your best friend to resist

knowing you have a reliable solution for every stop

mess-free experience

Tamper-resistant lids keep out prying paws

Tunnel Extension - Electronic Pet Door magento_productid_2757 Comes with 2 standard-sized tennisInstall your Electronic Pet Door in thicker walls with a Wall Extension Tunnel. The tunnel must be used with a Wall Conversion Kit (available separately). Each extension adds 2 3 4 inches to your tunnel. PetSafe brand is here to help you and your pet live happy together. Formerly known as the PetSafe Electronic SmartDoor Large Wall Extension Tunnel. Features Compatible with Large Electronic Pet Door