Venting

5DBK-X6 is a Increaser 5" - 6" [Black] with an inner diameter of 6 inches. This is used with DuraBlack DuraVent. DuraBlack is an economical, Drip free, single-waqll stovepipe with dieformed end fittings. Genuine OEM product.

6DBK-XS8 is a 8" Diameter Slip Increaser with Trim 6"-8" [Black] with an inner diameter of 6 inches. This is used with DuraBlack DuraVent. DuraBlack is an economical, Drip free, single-waqll stovepipe with dieformed end fittings. Genuine OEM product.

6RV-I8 is a 6" Diameter, Increaser 6x8 for 6" RV Round, Galvanized Selkirk Metalbestos Gas Vent. Model RV features Lock-Tab locking system which provides 360 degree flexibility while maintaining security. Aluminum inner liner and galvanized outer wall...

6RV-I7 is a 6" Diameter, Increaser 6x7 for 6" RV Round, Galvanized Selkirk Metalbestos Gas Vent. Model RV features Lock-Tab locking system which provides 360 degree flexibility while maintaining security. Aluminum inner liner and galvanized outer wall...

5DVL-X6 is a black double-wall 5 inches to 6 inches increaser. This is used with DVL pipe and is an OEM DuraVent venting component.