BDM Dalsin Line Pro-Form 4" x 4" Black Powder Coat Insert Co-Linear DV Termination Kit With 2Pcs 35ft Flex d12.25 DuraVent’s Type B Gas Vent

DuraVent’s Type B Gas Vent system

Slate Grey Split Herringbone

Includes silicone seal for a tight seal

tumbled glass

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BDM Dalsin Line Pro-Form 4" x 4" Black Powder Coat Insert Co-Linear DV Termination Kit With 2Pcs 35ft Flex d12.25 DuraVent’s Type B Gas Vent"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" What's Included 4" x 4" Black Termination Kit Chimney Cap 2Pcs 35ft Aluminum Flex Features Liner is made from 2 ply of . 005 thick type 3003 aluminum strip