MASK, PROC LOOPS ASTM3 WHT (50/BX 10BX/CS) | Quantity - 1x CSMASK, PROC LOOPS ASTM3 WHT (50 BX 10BX CS) Procedure Mask McKesson ASTM Level 3 Earloops One Size Fits Most * The nonsterile procedure mask protects people in environments with low levels of fluids or aerosols. * Aluminum strips above the nose and below the chin help ensure snug, conforming fit on face * earloops hold the white, latex free procedure mask in position. * An inner soft facial tissue layer and outer spunbond layer combine strength with