7"x 25' Double Ply Chimney Liner
Product DescriptionThe best selling stainless steel chimney liner on the market. This is the liner chimney sweep professionals across world use to reline chimneys. Why? Because its corrugated on the outside to provide maximum strength and flexibility. Smooth wall on the inside that improves drafting up to 20%. It cost more but its well worth the extra expense. Tested and approved to UL1777 zero clearance standards. You won't find a lower price double ply chimney liner anywhere on the net. And if you do we'll beat the price guaranteed! Lifetime Warranty I.D. Size: 7" O.D. Size: 7.375"