BDM Dalsin Line 6" x 30ft Pro-Form Aluminum Insulated Flex d13.4 Mounts inside of furnace casing

Mounts inside of furnace casing

The Forged Diamond collection is proving to be very popular with designers and homeowner’s alike

A storm collar is required for all installations using a flashing

Warranty 1 year limited warranty Weight 5 lbs

BDM Dalsin Line 6" x 30ft Pro-Form Aluminum Insulated Flex d13.4 Mounts inside of furnace casing"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