DECITECH™ E2 Electronic Active In-Ear Hearing Protection, 22 NRR
Amazon.com: Howard Leight by Honeywell Quiet Band Shooting Earplugs 3 Pairs, (Contains 3 Single Bags, Plus 3 Extra Pairs for Replacement) : Health & Household
Highest NRR Ear Muffs for Shooting at Indoor Gun Range