BDM Dalsin Line 4" x 25ft 2 Pieces Pro-Form Aluminum Flex Only D7.1 the free 3-year warranty extension

the free 3-year warranty extension is conditional on the product being registered online

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catering and restaurant use

BDM Dalsin Line 4" x 25ft 2 Pieces Pro-Form Aluminum Flex Only D7.1 the free 3-year warranty extension"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