The Navitek is available in a grinding visor version, or in a grinding/cutting version with a tinted DIN 5 over-visor. Combined with the Airkos filtration unit, the Navitek visors provide filtration of Solid and Liquid Particles (PSL), with inward leakage classified as TH3. The Airkos has 2 airflows, a filter clogging alarm and a low battery alarm. Operating on Lithium-Ion battery, Navitek Airkos visors provide 9-10 hours of running time. Bag included.