Protective Electric Constant Flow Supplied Air System Gas Mask Respirator Workplace Safety Supplie Full Face Gas Mask Respirator. Electric Supplied Air Fed Full Face Gas Mask Constant Flow Respirator System. Product Name: Gas Mask Respirator. Air Supply Flow Rate. First gear: 62 L/min. Second gear: 74 L/min. About 5-7h per full charged. Fullly Charging time:about 3h. Battery Type:18650 Batteries Pack. Equipped with portable power source mainly overcome the problems of big air in-taking resistance, difficulties in breathing, etc. Reject the sultry, stuffy and breathe more smoothly. Simple operation, strong portability, breathing is not stuffy, not hot. No fog, clearer vision Face screen, low and long operating sound of the fan. Long time to wear without noise. Full Charge once Can work continuously for more than 7 hours at a time. Practical supplied fresh air respirator system. Come with the canister unit can filter various harmful gas. The filter can be used for benzene, chlorine gas, acetone, alcohol, aniline, disulphide, carbon tetrachloride, chloroform, bromomethane, chloromethane, chloride, chlorinated sodium chloride, paint and its derivatives. Use the air pump to transport the air to the mask. Allow to fix the air pump on your waist, so you are more close to the air source. 1 x Full Face Mask. 1 x Canister filter.