High NRR plugs deliver superior noise-blocking performance. Contoured bell-shaped design provides an excellent ear-canal fit with enhanced back-out resistance. Soft, expanding polyurethane foam ensures a comfortable fit. Smooth, soil-resistant closed-cell foam skin protects against dirt buildup. Leight Source 500 Refill. Corded/Cordless: Cordless; Shape: Bell; Material(s): Polyurethane Foam; Noise Reduction Rate (NRR): 33 dB.
Features:
Features:
- Superior noise-blocking performance.
- Contoured bell-shaped design.
- Soft, expanding polyurethane foam.
- Smooth, soil-resistant closed-cell foam skin.