2PCS Spray Painting Tool Welding Helmet Full Face Gas Mask Respirator System. Supplied fresh air respirator system is equipped with portable power source mainly overcome the problems of big air intaking resistance, difficulties in breathing and so on. This system use the air pump to transport the air to the mask, you could fix the air pump on your waist, so you are more close to the air source. The canister comes with the unit can filters a variety of harmful gas. Color: yellow or black (as your choice). Charging time: 3 hours. Working time: 7-9 hours. Lithium battery capacity: 4000MAH. Charger voltage: AC 100-240V. Rated voltage: DC 12.6V. Air supply flow rate: first gear 62 L/min, second gear 74 L/min. Maximum gas supply pipe length: 30m. 4 x Air Pipe (0.5m length each one). 2 x Air Pump. 2 x Canister Filter. Q: How to service the filter canister? A: The filter tank is replaced according to the pollution situation. If the blower is weak, or there are many impurities in the filter cotton, or there is peculiar smell during use, it needs to be replaced. WHY OUR CUSTOMERS KEEP SHOPPING WITH US. SECURE & HASSLE FREE SHOPPING. Other orders are determined according to the order processing time. All corded products are designed to work with most countries’ outlets.