Standard 6 in. round diameter duct is corrosion-resistant Type I PVC. Lightweight duct may be cut without special tools and connections are simple with solvent cement. A female duct coupling is required to join two sections. A 90° elbow has belled end connections to directly receive PVC duct. The flexible duct connection is used to reduce vibration between the blower and PVC ductwork and is supplied with two clamps for easy installation. The blower transition adapter allows round PVC duct to be connected to the exhaust side of the blower. The PVC zero pressure weathercap connects directly to the duct (6 in. diameter PVC duct) and allows for vertical discharge of the effluent air for dispersion away from the building. It adds little static pressure to the exhaust while helping to keep rain and snow out.
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Colonial Scientific has teamed up with the industry leaders, Fisher Scientific and VWR, and now offers their entire product line. Colonial Scientific provides any part from the Fisher Scientific site with a part number.