The supplied air fresh air respirator system is equipped with a portable power supply, which mainly overcomes the problems of large air intake resistance and difficulty in breathing. The system uses an air pump to deliver air to the mask, which can be attached to the waist, closer to the air source. The canister that comes with the device can filter a variety of harmful gases. Input current: 110ma – 300ma. Operating temperature: -4? (-20?)-140? (60?). Air supply flow: first gear: 62 L/min; second gear: 74 L/min. Charging time: 3 hours. Continuous working time: approx 7 hours. Air pipe length: 1m. Maximum Fitted Air Pipe Length: 30m. Connection interface dimensions: RD40(Dia 40cm). Air pump weight: 365g. Air pump dimension: 128106106mm. 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. The filter can be used for benzene, chlorine, acetone, alcohol, aniline, disulfide, carbon tetrachloride, chloroform, methyl bromide, methyl chloride, chloride, sodium chloride, paint and its derivatives. ? The electric air supply is not stuffy, the breathing is smooth, and the work is easier. ? The fan has two gears, and it can work continuously for more than 7 hours once charged. It is portable and works more freely. ? The external control parts of the fan are equipped with dust-proof devices, which have long service life and safer use. 1XAir pump 1XFull face mask 1XCharger 1XCan filter 2XAir pipe. We are not responsible for undeliverable address. X’mas or other reasons. Your patience is always appreciated. Dear friend: Welcome to me my services are available: Monday To Friday: 8:30 to 18:00 1. If it’s non-workdays, please kindly be patient and considerable to give us a little more time.