BDM Dalsin Line Pro-Form 17" Vertical Round Base Only for 3" x 4" Co-Linear Cap btu5125 cut and welded all by

cut and welded all by hand

Air combustion control for variable heat output with air boost for faster wood ignition during startup

so it can be used in a recessed setting

1x Replacement Whip Head with Line

5" Partition Thimble

BDM Dalsin Line Pro-Form 17" Vertical Round Base Only for 3" x 4" Co-Linear Cap btu5125 cut and welded all by"Dalsin Line" Aluminum Flex Liners are used for venting category 1 heating appliances or direct vent appliances into a masonry chimney. Manufactured using Type 3003 aluminum, this heavy duty 2 ply liner is made from two strips of . 005", high grade aluminum for a total thickness of . 010" What's Included 17" Vertical Round Base Only Features Liner is made from 2 ply of . 005 thick type 3003 aluminum strip Components are made from . 020 thick type 3003