BBL™ Vacutainer™ Anaerobic Specimen Collection Swab, 1 Box of 25 Mattress Covers 5dB Max OSPL90 118dB Voltage Procedure Mask Ultra Pleated 5dB Max OSPL90 118dB Voltage 4 allow for air circulation The Vacutainer™ Anaerobic Specimen Collector with swab provides a method to protect anaerobic bacteria from exposure to toxic amounts of oxygen during the time from specimen collection to inoculation of suitable mediaThe system may also be used for liquid specimens collected with a needle and syringe The Vacutainer Anaerobic Specimen Collector is particularly suited for instances where volumes are small or dilution of specimens by a transport medium is to be avoided