What it is: 3M E-A-R Caps Model 200 Hearing Protector 321-2101, Each is a 3M banded hearing protector for workplace safety and PPE programs.

Best for: Intermittent-noise work where a lightweight banded hearing protector is preferred.

Key Features

• Model: 321-2101
• Confirmed specifications: Banded earplugs; worn under chin; NRR 17 dB; CSA Class BL
• Standards / ratings: NRR and CSA ratings from 3M
• Packaging: Sold as each.

Confirm compatibility and required PPE for the application by following the official 3M instructions and your workplace safety program.