Spirometer

Model NumberModel Name
PI-3536 liter capacities for vital capacity, or use as a gasometer with chain compensate counter balance to float through pulley, calibrated to denote volume ,inlet& outlet tubes. Stainless steel chamber ,complete with corrugated rubber tube and mouth piece.
PI-3551.5 liter capacity for vital capacity, or use as a gasometer with chain compensate counter balance to float through pulley, calibrated to denote volume ,inlet& outlet tubes. Stainless steel chamber ,complete with corrugated rubber tube and mouth piece.