3M E-A-R Push-Ins 318-1000 earplugs, Uncorded - NRR 28 NRR33 It meets the Class 3

It meets the Class 3 minimums of 1

Aerosol can holds far less agent than a 2

It ships 100 pairs per box as a single-use

The listing states it meets OSHA 29 CFR 1910

3M E-A-R Push-Ins 318-1000 earplugs, Uncorded - NRR 28 NRR33 It meets the Class 3EDITORIAL REVIEW: 4. 5 5 WC Safety Review 3M E A R Push Ins 318 1000 Cordless Earplugs NRR 28 The 3M E A R Push Ins 318 1000 earplugs covered on this page is reviewed here against its published specification and the standard that governs its category, not against a marketing claim. It is also listed as push to fit foam earplugs, uncorded foam earplugs. Editorial assessment by Steven Eaton, WC Safety editor, based on published 3M specifications and