This Moldex half mask respirator kit comes pre-assembled with two P100 cartridges. No need to spend the time selecting and attaching the correct cartridge. P100 filter is NIOSH certified for a 99.97% efficiency level against both oil and non-oil based particulate aerosols. The P100 can be used for contaminants for which OSHA requires a High Efficiency Particulate Air filter, including asbestos, lead, and cadmium. Includes face piece, two P100 cartridges, as well as two plastic filter holders. Face piece has a wide seal and the placement of the exhale vent allows for easier communication. It’s also compact for the widest field of vision possible.