Electric Respirator Mask Supplied Air Fed Flow Full Face Gas Mask w/2 Can filter. 1? Reject the sultry, stuffy and breathe more smoothly. 2? Simple operation, strong portability, breathing is not stuffy, not hot. 3? No fog, clearer vision Face screen, low and long operating sound of the fan Long time to wear without noise. 4? Full Charge once Can work continuously for more than 7 hours at a time. 5? Practical supplied fresh air respirator system. 6? Come with the canister unit can filter various harmful gas. 7? The filter can be used for benzene, chlorine gas, acetone, alcohol, aniline, disulphide, carbon tetrachloride, chloroform, bromomethane, chloromethane, chloride, chlorinated sodium chloride. 8? Use the air pump to transport the air to the mask. 9? Allow to fix the air pump on your waist, so you are more close to the air source. Product Name: Gas Mask Respirator. Air pump weight: 365g. Charging time: 3 hours. Continuous working time: approx 7 hours. Air supply flow: first gear: 62 L/min; second gear: 74 L/min. Air pump dimensions: 128106106mm. Maximum Fitted Air Pipe Length: 30m. 1x Full Face Mask. NOTE: This is primarily intended for use with organic gases and dusts, this is an assistive breathing device; it is not intended for medical use, nor is it an antibacterial filter. If you have any questions regarding our products or services, please give us a chance for correction. Please do not leave a negative/neutral feedback or open any case. We will do our best to fix it. Our warehouses are located in NJ; CA; KY; TX and other States. We make sure everything we do honors that connection – from our commitment to the highest quality items we can achieve, to the way we engage with our customers and communities to do business responsibly.