BDM Dalsin Line 4" x 3" Pro-Form Aluminum Tapered Reducer premium-fireplace Heavy-Duty zipper for easy installation

Heavy-Duty zipper for easy installation and removal

See also 24" extension - White G4310 or Black G4311

Pop-up Applications: 175 lbs

Replacement Baffle Insulation for Flame and Osburn wood stoves measures approximately 13 1/2 x 23 1/2 x 1/2

BDM Dalsin Line 4" x 3" Pro-Form Aluminum Tapered Reducer premium-fireplace Heavy-Duty zipper for easy installation"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