Description: Function: Effectively protect from the pollution of odor Adjustable with valve Main material: Non-woven, carbon activation Standard: N95, P2 Packing: 400pcs/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.