valuemuff,tmcomfort and protection most buyers and users of ear muffs are ... following features needed and wanted by most buyers are offered by elvex valuemuff ... with flexible slide clips · capable of multi-position use support strap available ss-25 · ... foam pads ansi s3-19-1974 frequency hz mean value db std deviation 125 13.1 2.0 250 ... 0 33.3 2.2 36.3 2.9 36.6 4.0 35.6 2.1 h m l nrr 35 28 19 25 h m l snr ce en-352-1 ... :1993 frequency hz mean value db std deviation protection value ... 63 13.6 3.2 10.4 125 13.4 3.4 10.0 250 18.3 2.4 15.9 500 26.8 2.8 24.0 1000 35 ... 2 8000 33.2 3.4 29.8 30 25 17 28 30 snr maximuff,tm high performanceeconomy ear muff 28 db ... nrr with elvex maximuff you get all the features and ... suspension and easy adjustment · multi-position use with support strap ss-25 · noise ...
