PFT filter protect patients and devices, their low resistance assures
excellent results, even at very low flows. PFT filter shields the 99.99% of bacteria and viruses, respecting the ATS recommendations about air flow resistance in pulmonary evaluations.
BEF: 99.9999%@ 0.5Microns
Pulmonary filters are available with separate plastic or cardboard mouthpieces or built-in anatomical mouthpiece
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