BDM Dalsin Line Pro-Form 3" x 3" 2PCS 35ft Aluminum Insulated Flex Kit With Black High Wind Cap/Square Base metallic-bronze Professional installation is recommended

Professional installation is recommended

For use with double wall and triple chimneys

This 48-inch Boulevard ledge stone ceramic liner gives you a realistic stone appearance while also being durable

reflective black crushed glass floor media

Easy to use flip-top

BDM Dalsin Line Pro-Form 3" x 3" 2PCS 35ft Aluminum Insulated Flex Kit With Black High Wind Cap/Square Base metallic-bronze Professional installation is recommended"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 3" Insulated Kit Black High Wind Chimney Cap Square Base 2Pcs 35ft Aluminum Flex Features Liner is made from 2 ply of . 005 thick type 3003