Bacterial Viral Filter for Spirometry Single-use Bacterial Viral Filters. Made from 100% recyclable materials. Electrostatically charged barrier filters droplets, aerosols, bacteria and viruses with 99.999% efficiency. Works with these spirometers: Vitalograph MIR Micro Medical Cosmed Adapters are available to fit most office spirometers QUANTITY PRICE BREAKS 1 – 4 boxes: $137.00 5 boxes: $132.00
