Simpson Duravent Exhaust Vent Pipe Direct Vent 4″ Black: DVA-09B Simpson Dura Vent

DirectVent Pro Collection 4″ x 6-5/8″ Inner Diameter Galvanized 9″ Pipe
Length (Black) The DirectVent Pro 4″ x 6-5/8″ Inner Diameter Galvanized
9″ Pipe Length (Black) is a component that is used in a typical venting
installation. The DuraVent 9″ direct vent pipe is designed for
appliances tested and listed for direct vent. Features a fully unitized
twist-lock construction in both 4″x6-5/8″ and 5″x8″ vent sizes. Use of
sealant is optional, unless specified by the appliance manufacturer. To
calculate install length, subtract 1 1/2�? for each joint. No beads or
hems. Black pipe lengths feature exterior laser-welded seams. Features:
Length: 9″ Material: Black Galvanized Steel Designed for Appliances
Tested and Listed for Direct Vent Features Fully Unitized Twist-Lock
Construction No Beads or Hems Features Exterior Laser-Welded Seams
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