Frabill Whisper Quiet Aerator - Keeping bait fresh is the key to a successful day of fishing. With aerators to meet a variety of needs, Frabill is the expert in Aeration. Options include mounted or floating models and select models include dual speed motors, rechargeable batteries, multiple pump settings and anti back-flow valves to prevent siphoning. Quiet and Powerful Rotary Pump Design with Anti Back-flow check valve to prevent siphoning Water Resistant Gasket Design Convenient metal clip for hanging to bait buckets Whisper Quiet Aerator Deluxe : Includes USB Cable with 110V Adapter, Hose, and Deluxe Air Stone