3M PRE-FILTER N95
N95 Pre-filter 3M #5N11: For dusts, mists and fumes that do not contain oil. Cannot be used as a stand-alone filter; must be used with Item #ERB-13538(3M# 6001). Requires #ERB-13544 retainer (3M #501). 10/pk.
NOTE: Do not exceed maximum-use concentrations established by regulatory standards.
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Item back ordered.Call for availability.