Colour: Blue/green.
Pack Quantity: 8.
Product Type: Earplugs.
Signal to Noise Ratio (SNR) dB: 27snr.
Standard Noise Reduction (SNR) : 27.Especially designed to follow the contours of the face. Worn under the chin to allow freedom of movement without contact sounds. Very light, only 12g. Low band pressure which makes it comfortable over long periods of use. Tested and certified to EN 352-2:2002. SNR 27dB. Sold in pack of 8.