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The FLEXAUST 3504020000 is a polyvinylchloride (PVC) vacuum duct hose engineered for continuous-duty suction and low-pressure air-handling applications. With a 2-inch inside diameter and a 25-foot length, this hose delivers a 27 Hg vacuum rating and a 28 psi maximum working pressure. The wall measures 0.026 inches thick, and the construction is crush-resistant to maintain bore integrity under external load. A minimum bend radius of 2.2 inches allows routing through tight mechanical spaces without kinking. HVAC technicians, industrial maintenance crews, and ventilation contractors are the primary installers.
This hose is suited for moving air, dust, and fumes in both residential and light commercial settings. Typical applications include portable dust collection systems, fume extraction setups, central vacuum rough-in runs, and flexible duct connections between blower housings and collection points. The temperature range of -50 to 160 degrees F keeps it functional in cold-weather installs and in environments near heat-generating equipment. The black PVC jacket resists abrasion and UV degradation in exposed service runs.
Designed as an OEM-style flexible duct hose for air, dust, and fume handling systems requiring a 2-inch ID connection.
Installation is typically performed by HVAC technicians or industrial maintenance personnel. Shut down and lock out any blower or vacuum system before connecting or disconnecting the hose. Secure both ends with appropriately rated hose clamps or fittings to prevent draw-back under vacuum. Avoid routing over sharp edges or heat sources that exceed the 160-degree-F service limit.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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