• Classic safety whistle & stainless steel rustproof ring.
• Sound power: 115dB.
• Design: 3-chamber pealess.
• Chambers are designed to self-clear when submerged in water.
• No moving parts to freeze, jam or deteriorate.
• Pealess whistle technology.
• The original, authentic pealess whistle, flawless & consistent, reliable performance.
• Black Fox 40 classic safety whistle.