Sell ♂¤50PCS Protective dust-proof filter civil 50-pack three-layer melt-blown cloth 3 layer melt-blown c best price

50pcs Type: dust mask, material: non-woven fabric, weight: 0.0015 (g), packaging method: 50 pcs/pack, mask style: hanging ear type, breathing valve device: no, protection level: three layers of protection, filter effect: Three-layer filtration, executive standard: gb/t32610-, function: dustproof, anti-fog and anti-pollen, scope of application: non-medical, size: 17.5cm*9.5cm, wearing method: wearing ears, order: 003, breathing valve: none , Folding method: three-layer folding, nose clip: metal plastic nose clip, color: blue, model: three-layer disposable melt-blown cloth mask adult model, manufacturer model: 001, series: disposable mask, whether export specifications: 17.5cm*9.5cm, executive standard number: gb/t32610-, product certification: no.