4 Layer KN95 Face Mask (FFP2) Product Item: 4 Layer KN95 Face Mask (FFP2) Category: Products Views: 1321 Product Manual:4 Layer KN95 Face Mask (FFP2) Inquiry PRODUCT DETAIL 4 Layer KN95 Face Mask (FFP2), 1pc/inner bag; 5pcs/inner box, 500pcs/master carton Share: RELATED PRODUCTS WINGNUT DIN315 GRADE 4.6 Precision Ball Screw For CNC Machine WIRE ROPE CLIP US-SPEC Stainless Steel