The SWX00323 by Safety Works are a case of 30 replacement pre-filters. These long-life pre-filters are approved to NIOSH 42 CFR 84 regulations and also have P95 Class performance.
Compatible with the SWX00389 Safety Works Organic Vapor (OV) Cartridge When Used with the SWX00394 Filter Pad Retainer
- Long-Life Pre-Filters are Approved to The NIOSH 42 CFR 84 Respirator Certification Regulations
- P95 Class - 95% Efficient Against Oil and Non-Oil Based Contaminants
- Oil-Proof So They Have No Time Use Limitation