BDM Dalsin Line 4" Pro-Form Aluminum Flex Pull Cone w49.375 Fits around the viewing window

Fits around the viewing window of the Stratford II Wood Fireplace

This charming heater is a great addition to any backyard

Universal design fits all sizes

Heat larger areas with Empire’s DV25 Direct-Vent wall furnace

BDM Dalsin Line 4" Pro-Form Aluminum Flex Pull Cone w49.375 Fits around the viewing window"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