BDM Dalsin Line 4" x 35ft Pro-Form Aluminum Insulated Flex motif-collection All-weather ceramic base materials

All-weather ceramic base materials

The slim design allows for versatile applications including semi-flush mount within 2 x 4 walls

*Also Note: This item is a vent-free appliance and installation of it may be prohibited in your jurisdiction

all wound and tapered from red-hot iron

BDM Dalsin Line 4" x 35ft Pro-Form Aluminum Insulated Flex motif-collection All-weather ceramic base materials"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