300 Pairs
Extensive research into earplug preferences revealed that some workers prefer a firm foam earplug. They gain a sense of security from feeling the earplug in their ear. And while they likeknowing the earplug is there, workers want greater comfort. Independednt tests reveal that Firm Fit outperforms the leading classic-style earplug, providing workers with a comfortable option.
Agriculture IndustryConstruction IndustryFire Protection IndustryForestry IndustryGovernment IndustryLaw Enforcement IndustryManufacturing IndustryMining IndustrySteel and Metals IndustriesTransportation Industryutilities IndustryWelding Industry
ANSI S3.19-1974 - NRR 30