Product Info Catalog Safety Honeywell N Series Cartridges & Filters Honeywell N Series Cartridges & Filters Request a Quote Manufacturer: Honeywell Cartridges and filters for use with 5500, RU8500 and 7700 Series half masks as well as 5400, RU6500 and 7600 Series full facepieces. Combination filter cartridges feature a low profile with curved top that will not catch on pipes or other objects. Easy to perform user seal checks, even on the gas and vapor cartridges.
