All plastic acid and alkali resistant construction. Designed to work in highly corrosive air applications, such as laboratory exhaust or the chemical industry. • polypropylene casing and wheel recommended up to 90 deg. C’ • blower wheel is dynamically and electronically balanced up to 3450 rpm. • csa and ul listed motor rated for continuous duty at 115 vac or 220 vac, 50/60 hz. • two blower sizes available: vulcan blower and qash blowerrn• drainage line to remove condensed reagent vapours. • compact and efficient design with blower stand provided.