*Cross Protection* 4 Ply Surgical Face Mask - ASTM LEVEL 3 ASTM Level 3 - most premium Surgical mask, with BFE>99%, PFE>99% at 0.1 micron. Conforms and tested by USA Nelson Lab, meeting ASTM F2100 Level 3 and EN 14683 Type IIR requirements. Conform and pass Bioburden Test. FEATURES: ASTM LEVEL 3 High Fluid Resistance: 160mmHg Bacterial Filtration Efficiency: >98% Particle Filtration Efficiency: >98% @ 0.1 micron Breathability - Delta P: <4.4mmH2O/cm² Flammability: Class 1 MATERIAL: Inner (PP Spunbond), Middle (PP Meltblown Non Woven Fabric), Outer (PP Spunbond Non Woven Fabric) APPLICATION: Ideal for procedures where heavy to moderate amounts of fluid, spray or aerosols are produced Made in Malaysia 🇲🇾 * All sold are non-refundable and Non exchangeable due to hygiene issue.