1) Size: 175 x 95mm (175 x 170mm when fully extended �±1%) 2) 3 ply: 2.1 Outer facing: 25G non-woven fabric with fluid repellent property in blue color. 2.2 Filter medium: 25G white melt blown fabric BFE/PFE > 98%. 2.3 Inner facing: 25G white non-woven fabric. 3) Nose piece: polyethylene covered steel wire, 3 width*105mm long. 4) Elastic ear loop: Spandex + Nylon, 4 width*150mm long. 5) Packing: 50 pcs per box, 2000 pcs per carton in 458*540*518mm
