A disposable filter for use with the Puritan Bennett 700 series ventilators. This filter reduces particles and bacteria in the patient's exhaled gas, protecting the ventilator's exhalation and spirometry systems.
99.97% filtration efficiency of 0.3 microns nominal particle size at 100 L/min flow
Resistance to flow less than 2.5 cm H20 at 100 L/min when new.