BDM Dalsin Line 4" x 50ft Pro-Form Aluminum Flex Only w25.75 Create the perfect comfort zone

Create the perfect comfort zone with two levels of heating and temperature settings

Quiet and reliable Whisper Lift II Pro with 5 year warranty

Model: 900-054

55 pounds is usually recommended

BDM Dalsin Line 4" x 50ft Pro-Form Aluminum Flex Only w25.75 Create the perfect comfort zone"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