BDM Dalsin Line 4" x 30ft 2 Pieces Pro-Form Aluminum Flex Only btu42000 61% (LP) *Square-feet heating capacities

61% (LP) *Square-feet heating capacities are approximations only

Stainless Steel pan construction w/Metal bar Stock & Burner pipes

Requires Flex Kit

These units are easy-to-install firebox enclosures that will accommodate a variety of vent-free gas log sets

switchgrass

BDM Dalsin Line 4" x 30ft 2 Pieces Pro-Form Aluminum Flex Only btu42000 61% (LP) *Square-feet heating capacities"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