EAR PLUGS FOAM NRR-31 4PK GRN

Soft, low ear pressure plugs are comfortable for a variety of activities. Easy-to-roll foam easily inserts into ear and then expands for a comfortable, custom fit. Noise Reduction Rating (NRR) of 31. Used in applications such as mowing/trimming lawn, power tool use, traffic and office noise or sleeping in noisy rooms. Tested in accordance with ANSI S3.19-1974.