When worn correctly, these ear defenders provide effective protection for your hearing and filter out high-frequency noise.
This product complies with European Directive 89/686/EEC annex VI by means of European Standard EN352-1:2002 "Hearing Protector Safety requirement and testing - Part 1:Earmuff"
The appropriate marking can be found on the cups.
CE mark was issued by notified body: CHOB HC700 EN352-1:2002 = E9605033 (BIA)
Frequency (HZ) 63, 125,250,500,1000,2000, 4000 & 8000
Mean Attenuation (dB) 12.8, 11.5,18.5,27.8,35.7,33.8,34.9 & 38.2
Standard Deviation (dB) 3.2, 2.3, 2.9, 2.8, 3.8, 2.8, 3.5 & 4.8
These Ear Defenders are "Normal size range" and comply with EN352-1, they will fit the majority of wearers. If the recommendations given are not adhered to the protection given will be severely compromised. When not in use it is recommended to store in a clean dry poly bag. This product may be adversely affected by certain chemicals. Examine products for signs of wear before use, and if found do not use.