Simpson Dura-Vent (23) 4" X 6-5/8" DURAVENT DIRECT VENT PRO GAS PIPE: Sort By: Page of 1 : DuraVent 46DVA-SC 4" x 6-5/8" Inner Diameter Galvanized Storm Collar DuraVent 46DVA-FS 4" x 6-5/8" Inner Diameter Galvanized Ceiling Firestop DuraVent … Direct Vent Pro by M&G Duravent (previously Simpson Duravent) is a top quality chimney system made specifically for direct vent gas appliances. It's twist-lock design allow a quick, secure, fastener free … DirectVent Pro is designed for use with direct vent stoves, heaters, and fireplaces. Simpson DuraVent offers one product to fulfill all of your direct venting needs. DuraVent and its line of duravent pipe is constantly providing … Back in 1956 DuraVent opened for business making vents and vent accessories. Hearth and Grill Sales, LLC 3405 Keith St. Cleveland, TN 37312 United States DuraVent 4" x 6-5/8" Inner Diameter - DirectVent Pro Direct Vent Pipe - Double Wall - Co-Linear Masonry Chimney Conversion Kit with Flex Pipe and High Wind Cap Model: 46DVA-CL33H 4 Inch x 6-5/8 Inch … Today they are the premier company in the venting industry. DirectVent Pro is laser-welded and requires no …