HydroWave Herring Expansion Module

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  • Regular price $52.95
  • Will be in stock after

The Herring Expansion Module is for use in the Hydrowave system. By simply plugging the card into the expansion port in the bottom of the Hydrowave unit, you will add the 6 additional sounds to your Hydrowave's playlist. With more sound choices, you're sure to Ignite a Feeding Frenzy.