BDM Dalsin Line 4" x 35ft Pro-Form Aluminum Flex Only btu450000 Depending on your specific needs

Depending on your specific needs

brushed stainless steel trim with optional dark contrasting housing

thermally protected and heavy duty ball bearing motor that provides long-lasting performance with very little maintenance required

Used to offset Double Wall Stove Pipe toward insulated chimney in a through-the-wall installation

Download New Brochure

BDM Dalsin Line 4" x 35ft Pro-Form Aluminum Flex Only btu450000 Depending on your specific needs"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" Features Liner is made from 2 ply of . 005" thick type 3003 aluminum strip Components are made from . 020 thick type 3003 aluminum Locking seam on liner is the