3" PelletVent PRO, Appliance Adapter/ Increaser to 6".
This is a 3"-6" Appliance Adapter/ Increase, this is from the PelletVent Pro Line. It has the duralock tightening system, to get a tight fit. This will attach the appliance outlet allowing for an easy pipe connection. This is for connection of PelletVent Pro to an existing chimney system such as DuraTech, DuraPlus or DuraPlus HTC. Requires a DVL/DuraBlack Chimney Adapter to fasten into support box or wall thimble. You need to seal the adaptor to the appliance with high temp sealant.