Thermoplastic elastomer mask is soft and comfortable; free of latex allergens. Cartridges and filters are replaceable so facepiece can be re-used. Ideal as an economical respirators for sub-contractors, plant guests adn occasional users. Can be adapted to PaPR or Supplied Air to offer flexibility in the workplace. Combines comfort and design of the popular 7700 Series half mask in a convenient version.Compatible with North cartridges and filters. Cartridges sold separately.