Duravent 46Dva-Is 4 Directvent Pro Direct Vent Pipe - Galvanized

4 DirectVent Pro Galvanized Attic Insulation Shield The DirectVent Pro 4 Inner Diameter Galvanized Attic Insulation Shield is a component that is used in a typical venting installation. The attic insulation shield is required for installations that pass through an attic to prevent insulation and debris from accumulating near the vent. Provides 1 clearance to combustibles. Features: Required for Installations that Pass Through an Attic to Prevent Insulation and Debris from Accumulating near Vent Length: Adjusts from 11 to 20 Inner Diameter: 4 Outside Diameter: 6 5/8 DirectVent Pro features tight inner connections for superb performance with no gaskets or sealants required (unless specified by the appliance manufacturer). All black pipe lengths pipe extensions and elbows feature laser-welded outer wall seams for a sleek finish. Low-profile locks and no hems or beads allow for a beautiful product that looks elegant in any interior. DirectVent Pro is a unitized coaxial venting system designed for use with direct vent gas or propane stoves heaters and fireplaces. Looking for Simpson Dura-Vent? You found it! Simpson Dura-Vent has changed their name to DuraVent. DuraVent is a recognized technological leader in the venting industry. Consistently the first to market with new innovations in venting systems DuraVent has captured a leadership position in emerging markets. DuraVent has patents for several products and continues to design safe and technologically advanced venting.The company s research into solving problems with corrosion when biofuels such as corn are used led to the break-through patent for PelletVent Pro. Scientifically proven materials and unequalled engineering make DuraVent products not only the best choice or safest choice but the only choice for professional quality venting products.