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

Comes with 2 standard-sized tennis balls

You’ll also get 1 YardMax® Rechargeable In-Ground Fence™ Receiver Collar which has a tone-only mode and 5 levels of safe

Short and Long Contact Points Included - For pets with long or short hair

unscented and citronella

you won't need to scoop for weeks at a time

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