- Shopping Categories >
- Accessories >
Scuba Alert "Standard Model PDM-1"This is the new and improved version of the old sub duck! Which is now called Scuba Alert Works in both above and below the water 120db worth of sound The button is easy to locate and depress for quick activation Unit connects inline between your low pressure hose and your power inflator Fits most power standard type power inflators on the market! A nice safety device to have at the price we sellthese for!