Air intake kit with Secure Pellet wall Thimble

Allows fresh outside air to burn through the wall Thimble without having to drill a second hole in the wall. Supplied with an insulating ring to reduce air infiltration where the pipe slides through the Thimble. The 2″ diameter, 18″ long flexible hose extends up to 5′. Clamps included. Can be used in the USA and Canada. Patented.