20 X INDIVIDUAL HOWARD LEIGHT LASER PLUG (10 x PAIRS INDIVIDUALLY BAGGED) SAME DAY POST ( Except Weekends & Bank Holidays) SNR 37DB People who need to block out loud noise demand the best protection and comfort available in an ear plug. Thats where Max comes in. The worlds most popular polyurethane foam earplug, Max offers superior noise-blocking performance in a single-use earplug. Maxs enhanced contoured shape is easier to insert and resists backing out of the ear canal, while its softer foam delivers superior long-wearing comfort delivering solid performance that you can depend on. HIGHEST NOISE REDUCTION These pre-shaped foam ear plugs are the highest-rated ear plug in the U.K. They are an outstanding choice for virtually all noise hazard environments. Made with a smooth, soil resistant skin, the MAX ear plugs are appropriately shaped for easier insertion, best fit, and user comfort. The design separates it from the imitators with an added level of comfort and more hearing protection than any other disposable ear plug available today! Tested according to AS/NZS 1270:2002 Frequency (Hz) 125 250 500 1000 2000 4000 8000 Mean Attenuation (dB) 29.4 29.0 30.1 30.2 33.2 42.8 42.7 Standard Deviation (dB) 9.4 9.7 9.5 7.7 4.7 5.1 6.9 Mean (-) Std Dev (dB) 20.0 19.3 20.6 22.5 28.5 37.7 35.8 SNR=37dB; H=36dB; M=35dB; L=34dB; On Jul-18-18 at 02:54:30 PDT, seller added the following information: