Parallel Particle Impactor (PPI), disposable, respirable, plastic, 2 L/min

Parallel Particle Impactor (PPI), plastic, single-use disposable, four-stage, for respirable sampling at 2 L/min. The PPI provides the closest match to the entire ISO 7708/CEN respirable curve, compared to any other sampler available. Pre-assembled with four porous plastic disc impaction substrates. Requires a 37mm filter and support, purchased separately.