Description: Function: Effectively protect from the pollution of odor Advantage: With exhalation valve Main material: Non-woven material and activated carbon Standard: N95, P2 Packing: 300pcs/ctn MEAS: 67X28X42cm Delivery time: 20-25 days MOQ: 5, 000pcs Payment: By T/T, L/C, Westernunion Free sample is available. OEM is avaliable.