Elvex Blue has a Noise Reduction Rating of 32 dB. Tested to ANSI S3.19-1974 by an independent lab
Elvex Blue is CE certified & tested to EN-352-2 by INSPEC Labs. Single Number Rating (SNR) is 36 dB
Elvex Blue foam plugs are easy to insert correctly due to their tapered shape and slow expansion
Elvex specially formulated low pressure foam provides the most comfortable fitting plug available
One size fits most - EP-253

Technical Details

Width : 0.75 cm
Height : 0.38 cm

Product Details

ASIN : B003J2SHKG