Description Overview Material: polypropylene spun-bond, melt-blown non-woven pp, polypropylene non-woven pp 100% pp Color: white Whiteness: ≥80% Specifications Diameter: 600 mm Width: 175 mm Gsm: 25 g/m² Flow rate: 32.2 l/min Resistance: 32 pa Bfe: ≥95% / ≥99% Melt-Blown Fabric Bfe ≥95%, 1 ton Bfe ≥99%, 1 ton Components Ear loop: nylon and spandex; round solid core, diameter: 3 mm; size: 510 x 430 x 410 mm Nose strip: material: pp+wire, thickness: 0.7 mm, width: 3 mm; size: 370 x 370 x 290 mm Non-woven fabric: 25 gsm, outer layer; width: 175 mm; blue Non-woven fabric: 25 gsm, outer layer; width: 195 mm; white Packaging Package: plastic bag, waterproof type