[eGreenBeans is one of the Respack Authorised Online Resellers] Basic Info: Size : 175mm x 95mm Type: 3 ply ear loop surgical mask, single-use, non-sterile Quantity : 50 Pieces ASTM: ASTM level II (Fluid Resistance mmHg 120, BFE > 98% @3 microns, PFE > 98% @0.1um Manufactured : Malaysia