This roof jack pipe connects furnaces to roof jacks. The roof jack should be installed so it extends below the ceiling; the pipe then slides inside the roof jack and connects to the furnace. Length is adjustable based on how far the pipe slides inside the roof jack. for 7ft ceilings $ all  outside the usa  purchases  duties, taxes and fees any applicable Clearance Entry Fees (CEF) and other import fees. are the buyers reasonability

Note: This pipe can only be used with SRJ series roof jacks.