This is a Howard Leight Ear Plug known as the Super Leight, model R-03113.
Super Leight USA Single-Use Foam Earplugs offer optimal hearing protection by featuring a Noise Reduction Rating (NRR) of 33. The pre-shaped" contoured foam is designed to fit almost any ear canal for comfortable all-day wear. A closed-cell outer layer prevents dirt from building up" while the bell shape will ensure maximum noise reduction and slip resistance.
Features:
Noise Reduction Rating 33 dB
Polyurethane Foam Enhances Comfort
Soil-Resistant
