Hearos Ultimate Softness Series Ear Plugs 56 pairs
Mega Value Pack
High Protection NRR 32
Noise Reduction Rating 32 Decibels (when used as directed). The range of noise reduction ratings for existing hearing protectors is approximately 0 to 30 (higher numbers denote greater effectiveness.
Tested according to ANSI Specs S3.19-1974
The level of noise entering a person's ear, when hearing protector is worn as directed, is closely approximated by the difference between the A-weighted environmental noise level and the NRR.