3M Versaflo TR-300N+ HKL Healthcare Purifying Respirator PAPR Kit, Large, Li-Io rechargeable battery,10-12 hours, cartridge TR_3712N, clear visor head cover with suspension, belt-mounted, flow rate 6.5-7.2 CFM, NIOSH ,70071696796, 00076308942717, طقم التنفس, alat pernafasan, комплект респиратора, datasheet