3MTM E-A-R™ PUSH-INS™ CORDED EARPLUGS 318-1003, 200 PAIRS THESE PUSH-TO-FIT, CORDED FOAM EARPLUGS ARE EASY TO USE AND COMFORTABLE. – POLY BAG KEEPS EACH PAIR OF EARPLUGS CLEAN BEFORE USE. – BLUE STEM MAKES INSERTION AND REMOVAL EASY AND HELPS KEEP THE TIPS CLEAN WHEN THE WEARER’S HANDS ARE DIRTY – NOISE REDUCTION RATING (NRR)* 28 DB. CSA CLASS AL. – TEST COMPATIBLE WITH 3M¿ E-A-RFIT¿ VALIDATION SYSTEM. *THE NRR MAY OVERESTIMATE THE HEARING PROTECTION PROVIDED DURING TYPICAL USE. 3M RECOMMENDS REDUCING THE NRR BY 50% FOR ESTIMATING THE AMOUNT OF NOISE REDUCTION PROVIDED. 3M IS LEADING THE ADVANCEMENT OF HEARING CONSERVATIONTM.