BDM Dalsin Line Pro-Form 3" x 4" 2PCS 35ft Aluminum Insulated Flex Kit With Chimney Cap btu30500 Raised details and unique bar

Raised details and unique bar and mesh design

Required oxygen depletion sensor (ODS) ignition pilot is included on all vent-free appliances that automatically shuts off the fireplace if oxygen levels drop below an 18% safety threshold

Type: Delux Surround

Height:   6"

BDM Dalsin Line Pro-Form 3" x 4" 2PCS 35ft Aluminum Insulated Flex Kit With Chimney Cap btu30500 Raised details and unique bar"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 3" x 4" Insulated Kit Chimney Cap 2Pcs 35ft Aluminum Flex Features Liner is made from 2 ply of . 005 thick type 3003 aluminum strip Components are