Osburn 21296 C Cast Baffle btu36000 Product Code Part No Size 2900H LP UPB G9T F5P WG Product Code Part No Size 2003619 10RIX12 S (12" Pipe) Increaser 10" 12" 2003620 10RIX14 S (14" Pipe) Increaser 10" 14" 2003638 12RIX14 S (14" Pipe) Increaser 12" 14" 2003621 10RIX16 S (16" Pipe) Increaser 10" 16" 2003639 12RIX16 S (16" Pipe) Increaser 12" 16" 2003676 14RIX16 S (16" Pipe) Increaser 14" 16" 2003622 10RIX18 S (18" Pipe) Increaser 10" 18" 2003640 12RIX18 S (18" Pipe) Increaser 12" 18" 2003677 14RIX18 S (18" Pipe) Increaser 14" 18" 2003694 16RIX18 S (18" Pipe) Increaser 16" 18" 2003821 12RIX20 S (20" Pipe) Increaser 12" 20" 2003678 14RIX20 S (20" Pipe) Increaser 14" 20" 2003695 16RIX20 S (20" Pipe) Increaser 16" 20" 2003712 18RIX20 S (20" Pipe) Increaser 18" 20" 2003679 14RIX22 S (22" Pipe) Increaser 14" 22" 2003696 16RIX22 S (22" Pipe) Increaser 16" 22" 2003713 18RIX22 S (22" Pipe) Increaser 18" 22" 2003730 20RIX22 S (22" Pipe) Increaser 20" 22" 2003697 16RIX24 S (24" Pipe) Increaser 16" 24" 2003714 18RIX24 S (24" Pipe) Increaser 18" 24" 2003731 20RIX24 S (24" Pipe) Increaser 20" 24" 2003748 22RIX24 S (24" Pipe) Increaser 22" 24" 2003715 18RIX26 S (26" Pipe) Increaser 18" 26" 2003732 20RIX26 S (26" Pipe) Increaser 20" 26" 2003749 22RIX26 S (26" Pipe) Increaser 22" 26" 2003766 24RIX26 S (26" Pipe) Increaser 24" 26" 2003733 20RIX28 S (28" Pipe) Increaser 20" 28" 2003750 22RIX28 S (28" Pipe) Increaser 22" 28" 2003767 24RIX28 S (28" Pipe) Increaser 24" 28" 2003783 26RIX28 S (28" Pipe) Increaser 26" 28" 2003751 22RIX30 S (30" Pipe) Increaser 22" 30" 2003768 24RIX30 S (30" Pipe) Increaser 24" 30" 2003784 26RIX30 S (30" Pipe) Increaser 26" 30" 2003799 28RIX30 S (30" Pipe) Increaser 28" 30" Size of Main Body: 20 in no event Transportation fees to ship the product back to the purchaser will be paid by the manufacturer