Trend AIR/PRO/P3C  Air Shield Pro with 10 Pack of Visor Overlays, Black Eye Protection: ANSI Z87+ HIGH IMPACT personal eye and face protection. Twin filters for filtering solid particulates as small as .06 microns. Includes re-chargeable (NiMH) battery pack for 8 hours of continous use. Lightweight ergonmic design weighing only 2.2 lbs. Polycarbonate face shield with nylon elasticated face seal and 10 clear overlays.