DuraVent 10"-24" Inner Diameter Type B Gas Vent Draft Hood Connector smoke Use in interior or exterior

Use in interior or exterior installations to support and stabilize the chimney while assuring a 2” clearance

Item Number 3BVL45 Series Round Type B Gas Vent Model BV (3" - 30") Product Type 45° / 60° Adjustable Elbow Inside Wall Aluminum Outside Wall Galvanized Steel Size (Diameter) 3" Outer 3 1/2" A 4 3/8" B 4 11/16" Technical Dimensions

these things are available for individual sale

12 oz Can x 6

When the fireplace burns

DuraVent 10"-24" Inner Diameter Type B Gas Vent Draft Hood Connector smoke Use in interior or exteriorSizes 18" 24" are built to order; not returnable Overview DuraVent is the premier company in the venting industry. With a broad range of engineered venting products, DuraVent has earned its reputation as the industry leader by offering innovative, safe, and professional products for the HVAC and Hearth markets. Type B Gas Vent DuraVent's innovative system for a lock tight connection for Type B Gas Vent is called DuraLock. See the alignment indicators