SAS Safety 1070-00 N99/R95 Pre-Filter, 12-Pair Pack

N99/R95 Particulate Filter is at least 99% efficient against particulate aerosols free of oil and 95% efficient against particulate aerosols that are oil and non-oil based. Time use restrictions may apply. Do not exceed maximum-use concentrations established by regulatory standards. For over 30 years, SAS Safety Corporation has provided safety products and equipment designed to make workplaces safer. We are dedicated to providing quality products that protect and preserve our most valuable resource: people. We offer a complete line of personal protective equipment; eye and face, hand, body, respiratory and hearing protection, as well as first-aid kits, ergonomic, spill control, and traffic safety products.