Inline duct fan crafted from a thermoplastic resin. UL mentioned for outside use or in damp areas. Speed controllable. Installs in almost any orientation. Ordinarily employed for kitchen exhaust units. When attached to an inline or distant admirer, the LD silencer significantly minimizes the seem traveling from the duct. Anderson https://tops-directory.com/listings12819184/5-easy-facts-about-air-duct-cleaning-described