Air purifiers for dust- and odor-producing lab areas. Affordable, low-maintenance, and general-purpose machines for single rooms. Each unit contains a long-lasting, industrial-grade filter for elevated dust and odor levels. Multistage air-filtration system designed to efficiently reduce airborne particles and odor. True deep-bed HEPA filter ensures 99.97% efficiency on the capture of airborne particles up to 0.03 microns. Powerful and very practical. Equipped with brushless motors designed for continuous duty. Reduces heating and air conditioning energy costs. Silent operation: quietest on the market (5359 dbA at high speeds). 120 volts. 1-year warranty.Provides protection for dust-producing lab areas up to 400 ft.2.