The N95 FFP3 mask has high protection, and the filtration efficiency of non-oily particles above 0.3μm can reach 99% high filtration, four layers of high efficiency protection.Individual protection products that can prevent or reduce dust in the air from
Products information: Products advantages: 1.Name: window roller, window pulley ,wheel 2.Material:Nylon and bearing 3.Surface treatment: plated zinc, nickel ,chrome 4.Remark: pulley material is nylon 5.Surface treatment and color can be producted accordin