BDM Dalsin Line Pro-Form 5" x 25ft Aluminum Flex With Ends thermostat-vent-free-heaters Quick and easy installation

Quick and easy installation

Engineered to perfection

LED Lights with a remote

Works in conjunction with gas and direct-vent flue caps

BDM Dalsin Line Pro-Form 5" x 25ft Aluminum Flex With Ends thermostat-vent-free-heaters Quick and 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" What's Included 5" x 25ft Aluminum Flex With Ends Features Liner is made from 2 ply of . 005 thick type 3003 aluminum strip Components are made from . 020 thick type