BDM Dalsin Line 3" /4" x 30ft 2 Pieces Pro-Form Aluminum Flex Only btu21500 Enables transition from ex to

Enables transition from ex to rigid pipe

It is a matter of achieving the greatest amount of heat transfer from the unit

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BDM Dalsin Line 3" /4" x 30ft 2 Pieces Pro-Form Aluminum Flex Only btu21500 Enables transition from ex to"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