6DBK-XS8 | 6" To 8" DuraVent DuraBlack Increaser570446434SKU:6DBK-XS8Inventory ID:COP69086Select Item:Price: $91.14Quantity:6" To 8" DuraVent DuraBlack Increaser 6DBK-XS8 6" To 8" DuraBlack Increaser is used to increase from a smaller appliance flue outlet (6") to a larger diameter chimney or stove pipe (8"). Measures 7" long. Diameter: 6" Length: 7" Painted Black Finish Lock Seamed Drip-Free No Cutting or Crimping Needed Use for a single-wall connector pipe Requires 18†clearance to combustiblesReviews Choose your rating12345