Duct Pipe - found at - LUWA: Distributor of Superior Appliances by Design
6 in. Round Duct Pipe - 36 in. length-VP500
7 in. Round Duct Pipe - 36 in. length-VP501
8 in. Round Duct Pipe - 36 in. length-VP502
3 1/4 in. by 10 ins Rectangular Duct Pipe - 30 in. length-VP504
3 1/4 in. by 12 ins Rectangular Duct Pipe - 30 in. length-VP505
3 1/4 in. by 16 ins Rectangular Duct Pipe - 30 in. length-VP506
6 in. by 8 1/2 in. Rectangular Duct Pipe - 24 in. length-VP507
Y Duct Transition- 6 in and 8 in Round to 10 in Round-VP551
Y Duct Transition- 8 in and 8 in Round to 12 in Round-VP517