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

Plastic, single-use disposable, four stages, for thoracic sampling at 2L/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.