IST's Sonic Blast Horn Signaller works great underwater and on the surface. The low maintenance design makes it easy to install and now getting the attention of your dive buddy should be easy too.

It is important to immerse and clean the exterior of Sonic Blast in freshwater after each dive. Sound the Sonic Blast several times to expel any water trapped within. Dry and store in moisture-free place.

Product Features

  • Small on size, big on decibel
  • Easy to connect and disconnect
  • Requires just a tiny bit of air to active the horn
  • Approx surface range of 0.25 - 0.50 miles
  • Only Fits standard power inflator

Full Manufacturer's Warranty

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IST Sonic Blast Underwater Horn Signaller
Original Price: $ 70.00
Price: $ 55.95

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