Universal Ear Defender helmet Uniform Visibility: Maintains consistent optical

Uniform Visibility: Maintains consistent optical quality while reducing eye strain during extended use

The SHK-1 Full Brim Non-Vented is a Class E

⚠️ California Proposition 65 Warning: This product contains chemicals

The US-compliant choice for construction

Perfect for demanding environments where visibility and safety are critical

Universal Ear Defender helmet Uniform Visibility: Maintains consistent opticalSerious Noise. Serious Protection. Job sites are loud. The ED 3B is built to handle it. These passive helmet mounted ear defenders deliver NRR 26 dB noise reduction and integrate directly with most Type I and Type II industrial safety helmets via a universal 30mm blade mount. No separate headband. No fumbling. Hearing protection that stays out of your way until you need it and locks in place when you do. Why the ED 3B Three Positions. One Smooth