Product description: 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. Specification: Model: XLSF-A1 Input voltage: 110V-220V 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 Working lifetime:? 5000h Air pipe length: 1m Maximum Fitted Air Pipe Length: 30m Connection interface dimensions: RD40(Dia 40mm) Air pump weight: 365g Air pump dimension: 128106106mm 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. 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. 1Air pump 1Full face mask 1Charger 1Can filter 2Air 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.