BDM Dalsin Line 8" x 35ft Pro-Form Aluminum Flex Only blue If the area is well

If the area is well ventilated

Model 18TGFT Application Factory-built double wall chimney for use with listed wood

Used to control the local operation of Superior BISFWK-1 forced air kit

Programmable thermostat setting

BDM Dalsin Line 8" x 35ft Pro-Form Aluminum Flex Only blue If the area is well"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