TheDuraVent PelletVent Pro Wall Thimble Air Intake Kit allows outside fresh air for combustion through the wall thimble without having to cut a second hole into the wall. Comes with an insulation ring to cut drafts where the pipe slips through the thimble. The 2" diameter, 18" length flex hose expands to 4". Clamps included.
Can be used in US and Canada.PelletVent Pro is a venting system designed for stoves and inserts that use wood pellets and oil fuel. It is also built to vent corn and other biofuel products (Rated for continuous use flue temperatures up to 570? F).