A size-selective total-aerosol sampler, the tilting pre-impinger.
D000336:Aerosols; D000397:Air Pollution; D004864:Equipment and Supplies; D006801:Humans; D008829:Microbiology / Q000600:supply & distribution*
D000336:Aerosols
AEROSOLS; AIR POLLUTION; MICROBIOLOGY/equipment and supplies