Spark Plug soft ear plugs - The contoured shape will anchor the plug in your ear canal. Easy and hygenic access to hearing protection. Each pair of plugs is individually pre packed for ease of dispensing and hygiene purposes. Contoured shape helps anchor the plug within the ear canal, preventing the need for constant adjustment and possible cross contamination. Bright colour is modern and stylish making for easier user acceptance in the workplace. They are ideally suited for motor cyclists, people looking for respite from partner's snoring or people who are in and out of noisy environments Bright vivid colours for a fashionable approach. The contoured shape allows the plug to be positioned firmly in the ear canal. Frequency (Hz) 125 250 500 1000 2000 4000 8000 Mf (dB) 36.0 36.7 39.0 36.0 37.0 46.7 44.6 Sf (dB) 6.0 6.1 6.5 5.9 4.9 3.2 3.8 APV (dB) 30.0 30.6 32.5 30.1 32.1 43.5 40.8 Tested according to EN 352-2:2002 SNR = 35 dB H = 34 dB M = 32 dB L = 31 dB
