BioClean Facemask 21cm Non-sterile with ties-Pack of 50

3 ply tie-on facemask High bacterial & particle efficiency filtration Tie tapes or a secure fastening Fully enclosed malleable nose-band Ultrasonically sealed edges Recommended for ISO Class 4 or higher cleanroom environments. 50 masks per case PARTICLE FILTRATION EFFICIENCY (PFE) @ 0.3 MICRON: 98.8% BACTERIAL FILTRATION EFFICIENCY (BFE) @ 3.0 MICRON: 97% COLOUR: White LENGTH (? 5mm): 210mm WIDTH (? 5mm): 95mm

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