PureFlo Purelite Xstream Agricultural Pack is a self-contained lightweight powered air supplied visor system providing all in one protection against dust, fumes, and particulates, combined with eye and face protection against liquid splashes. The integrated re-chargeable nickel metal hydride (NiMH) battery pack delivers a supply of clean air via a pair of particulate filters for up to 8 hours of continuous use. The polycarbonate face shield with nylon elasticated face seal (tinted and clear face shield overlays available) is lightweight with an easily adjusted headband to fit a range of head sizes and for wearing over protective clothing and hoods. Conforming to: BS EN 12941:1999 Protection Level TH2P, EN 166:2002 1B3.