Amazon.com: Mack's Hi Viz Soft Foam Earplugs, 50 Pair – Most Visible Color, Easy Compliance Checks, 32dB High NRR – Comfortable, Safe Ear Plugs for Shop Work, Industrial Use, Motor Sports and
Amazon.com: Mack's Maximum Protection Soft Foam Earplugs – 50 Pair, 33 dB Highest NRR – Comfortable Ear Plugs for Sleeping, Snoring, Loud Concerts, Motorcycles and Power Tools | Made in USA : Health & Household
3M E-A-R ULTRAFIT UF-01-000 Box of 50 ear plugs 32 dB - online purchase | Euro Industry
Allen Company Foam Ear Plugs, 32 dB NRR, ANSI S3.19 & CE EN352-1 Hearing Protection Rated, 50-Pack, Orange