Pellet vent appliance pipe adapter is perfect for attaching outlet when increasing to 4″ pellet vent on venting stoves above 4,000′. Must seal adapter to appliance with high temperature sealant. Designed for stoves that burn wood pellets. Patent pending venting for stoves and inserts that use wood pellets.Use to attach to appliance outlet allowing for easy pipe connection,For use at elevation 4000 feet above sea level,Cannot be interchanged with other manufacturer systems,Double wall pipe air insulated design,Adapter/Increaser 3\-4\ pellet vent
