High Quality Material: The gas mask is made of food grade silicone, non-toxic, soft and comfortable to wear for long periods of time without discomfort. The gas mask face screen is made of polycarbonate, which is more wear resistant, scratch resistant and splash resistant. The face screen also has a double-sided anti-fog coating that will not fog up in either low or high temperature environments, giving you a clear view. Keep Breathing Smoothly: The PAPR respirator has a good seal, high filtration efficiency and a large air supply, the air volume can be freely adjusted (clockwise for high air volume and counterclockwise for low air volume) to keep the fresh air flowing. The battery capacity is large enough to work for 5-9 hours, if the continuous working time exceeds 5-9 hours it should be equipped with a battery. (Note: beeping alarm when the battery is low). Activated Carbon Filters: The Powered Air Purifying Respirator is equipped with 2 x 40 mm activated carbon filters. 40mm activated carbon filters protect against dust, organic vapours, paint, spray, particulate matter etc. Gas masks survival nuclear and chemical filtration for mining, industry, chemical experiments, fire fighting, painting, welding, woodworking, etc. Ergonomic Design: The blower is equipped with a freely adjustable belt and double shoulder straps, so that the weight can be more evenly distributed throughout the body under stress and more comfortable to wear. The PAPR respirator system is an important piece of equipment for respiratory, face and eye protection. We will provide you with a satisfactory solution and friendly customer service support. Kit includes : 1 full facepiece respirator mask, 2 x 40mm activated carbon filters, 1 x blower, 1 x air supply hose, 1 x 7500 mAh lithium battery pack, 1 x power charger, 1 x double shoulder strap. Size: 1 Count (Pack of 8). Color: Blue (Papr Respirator System). Number of Items: 8. Item Weight:? 12.27 pounds. Package Dimensions:? 19.57 x 15.39 x 7.05 inches. Batteries:? 1 Lithium Metal batteries required. Size:? 1 Count (Pack of 8). Color:? Blue (Papr Respirator System). Battery Cell Type:? Lithium. Date First Available: May 16, 2023. And we will work with you to resolve it to your satisfaction.