Honeywell North 7506N95 N95 Prefilter is a NIOSH-approved particulate prefilter designed to provide N95-level filtration efficiency when used with compatible Honeywell North respirator cartridges in industrial environments. Featuring lightweight filter media engineered to capture at least 95% of non-oil-based airborne particles, easy installation with appropriate filter retainers, and compatibility with North 5500, 7500, and 7700 series respirators, this N95 prefilter supports common PPE needs such as respirator prefilters, N95 particulate filters, and OSHA-compliant respiratory protection systems. Designed to help extend the service life of primary cartridges while enhancing particulate protection, it improves respiratory safety and cost efficiency in construction, manufacturing, and maintenance applications. This product is NIOSH approved for N95 particulate filtration and complies with OSHA respiratory protection standards under 29 CFR 1910.134 when used as part of a compliant respiratory protection program.