BDM Dalsin Line 4" x 25ft 2 Pieces Pro-Form Aluminum Flex Only o60 Semi-Flush Mount Surround- SYM-XS-74

Semi-Flush Mount Surround- SYM-XS-74

75" W x 25

Featuring an attractive black color

Outside Combustion Air Kit

BDM Dalsin Line 4" x 25ft 2 Pieces Pro-Form Aluminum Flex Only o60 Semi-Flush Mount Surround- SYM-XS-74"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