BDM Dalsin Line Pro-Form 3" x 4" 2PCS 30ft Aluminum Insulated Flex Kit With High Wind Cap/Square Base ball-valve Click to see Optional Fronts

Click to see Optional Fronts    AVFL60CFVC

and black providing the best quality in the industry

or Variable Valve

Constructed from quality steel with a soft burnished brass-plated finish for timeless appeal

Variegated copper/Black textured finish

BDM Dalsin Line Pro-Form 3" x 4" 2PCS 30ft Aluminum Insulated Flex Kit With High Wind Cap/Square Base ball-valve Click to see Optional Fronts"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 3" x 4" Insulated Kit High Wind Chimney Cap Square Base 2Pcs 30ft Aluminum Flex Features Liner is made from 2 ply of . 005 thick type 3003 aluminum