BDM Dalsin Line Pro-Form 3" x 3" 2PCS 30ft Aluminum Insulated Flex Kit With High Wind Cap/Square Base w57 Click to see AFB20 Fireballs

Click to see AFB20 Fireballs Beige Fireballs

if desired

Not for use with your whole house system

This kit comes with variable speed and thermostatic controls

Use to transition the vent system to a smaller diameter

BDM Dalsin Line Pro-Form 3" x 3" 2PCS 30ft Aluminum Insulated Flex Kit With High Wind Cap/Square Base w57 Click to see AFB20 Fireballs"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 3" 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