COMFORTABLE FIT • TAPERED DESIGN, GREAT FOR: • SLEEPING • STUDYING • TRAVEL • BLOWDRYING • LAWN MOWING • POWER TOOLS • CONCERTS • SPORTING EVENTS, INFORMATION REQUIRED BY THE EPA: THE LEVEL OF NOISE ENTERING A PERSON’S EAR, WHEN HEARING PROTECTOR IS WORN AS DIRECTED, IS CLOSELY APPROXIMATED BY THE DIFFERENCE BETWEEN THE A-WEIGHTED ENVIRONMENTAL NOISE LEVEL AND THE NRR. EXAMPLE: (1) THE ENVIRONMENTAL NOISE LEVEL AS MEASURED AT THE EAR IS 92 DBA (2) THE NRR IS 33 DECIBELS (DB). (3) THE LEVEL OF NOISE ENTERING THE EAR IS APPROXIMATELY EQUAL TO [92 DB(A) – 33] 59 DB(A)., NOISE REDUCTION RATING | NRR 33, NOISE REDUCTION RATING 33 DECIBELS (WHEN USED AS DIRECTED) THE RANGE OF NOISE REDUCTION RATINGS FOR EXISTING HEARING PROTECTORS IS APPROXIMATELY 0 TO 30 (HIGHER NUMBERS DENOTE GREATER EFFECTIVENESS), QUALITY GUARANTEED, QUESTIONS? 1-888-423-0139 TOPCARE@TOPCO.COM WWW.TOPCAREBRAND.COM, SCAN HERE FOR MORE INFORMATION, SOUND ATTENUATION DATA (ANSI STANDARD S3.19-1974) NRR 33 TEST FREQUENCIES (HZ) 125 MEAN ATTENUATION (DB) 42.4 STANDARD DEVIATION (DB) 4.9 TEST FREQUENCIES (HZ) 250 MEAN ATTENUATION (DB) 43.5 STANDARD DEVIATION (DB) 4.2 TEST FREQUENCIES (HZ) 500 MEAN ATTENUATION (DB) 45.9 STANDARD DEVIATION (DB) 4.9 TEST FREQUENCIES (HZ) 1000 MEAN ATTENUATION (DB) 39.8 STANDARD DEVIATION (DB) 3.4 TEST FREQUENCIES (HZ) 2000 MEAN ATTENUATION (DB) 36.8 STANDARD DEVIATION (DB) 2.0 TEST FREQUENCIES (HZ) 3150 MEAN ATTENUATION (DB) 44.5 STANDARD DEVIATION (DB) 3.7 TEST FREQUENCIES (HZ) 4000 MEAN ATTENUATION (DB) 46.6 STANDARD DEVIATION (DB) 2.9 TEST FREQUENCIES (HZ) 6300 MEAN ATTENUATION (DB) 48.1 STANDARD DEVIATION (DB) 4.9 TEST FREQUENCIES (HZ) 8000 MEAN ATTENUATION (DB) 47.4 STANDARD DEVIATION (DB) 4.7
