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Parallel Particle Impactor (PPI), plastic, single-use disposable, four stages, for respirable sampling at 2L/min. The PPI provides the closest match to the entire ISO 7708/CEN respirable curve compared to any other sampler available. Preloaded with four porous plastic disc impaction substrates, one 37mm, 5.0um PVC collection filter preweighed to 5 decimals, and one cellulose support.
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