VALVES FOR N95 DUST MASKS
VALVES FOR DUST MASKS Material:PVC/environmental protection rubber Size:17MM-32MM Color:white/blue NIOSH standard
face dust valve/ VALVES FOR DUST MASKS
respiration valve, used in face mask
High switching performance
Material:PVC/environmental protection rubber
Size:17MM-32MM
Color:white/blue
logo:as requirest
Passed NIOSH standard
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VALVES FOR N95 DUST MASKS
