MASK, PROC LOOPS ASTM3 BLU (50/BX 10BX/CS) McKesson Procedure Face Masks Meets the standards of ASTM Level 3 Barrier Protection Pleated SMS material provides breathability and comfort Uses a three-layer, nonwoven fabric featuring a spunbond polypropylene on the inner and outer layers and a meltblown polypropylene middle layer Prevents fluid pooling and cross-contamination through a shingle-pleat design; wear masks with pleats facing down Measures approximately 7 (L) x 3.5 (H) inches (17.6 cm x 8.9 cm) Fits most users with ample-length, stretch ear loops (63.5mm) Low-profile, soft ear loops made of polyester and spandex blend for strength, comfort, and fit Ultrasonically sealed ear loops attach to the outside of the mask to prevent pulling and irritation Adjusts to match facial contours with an enclosed, plastic-covered, iron nosepiece Intended to be worn by healthcare professionals during medical procedures to protect both the patient and the personnel from the transfer of microorganisms, body fluids, and particulate material transfer Delivers bacterial and particulate filtration efficiencies of at least 98 percent with fluid resistance at 160 mm Hg Class 1 Flammability Spread Differential Pressure ΔP < 6.0 mm H2O/cm2 Not Made with Natural Rubber Latex Avoid excessive heat; store in a cool/dry/well-ventilated area below 104ºF (40ºC) Packaged: 50 Per Box, 10 Boxes Per Case