THINKA FACE MASK WITH EARLOOPS (50pcs) - Medical Mask - Surgical Mask -ASTM Level 1 Mask
by THINKA
- THINKA procedure masks: ASTM Level 1 Approved by Eurofins Lab Testing., Fluid Resistance Level 1 approved 80mm Hg., Contain high quality Melt-blown Fabric on middle layer Which Block High BFE & PFE, Average BFE & PFE Efficiency lab report are 99.8%, BFE & PFE it's already bit ASTML3 requirements., It is important to properly fit the mask to achieve an adequate seal and minimize gaps around the edges for maximum effectiveness.