Battery operated aerator for use with live bait buckets. There are two units available a single speed and a two speed. The single-speed is ideal for the smallest live bait buckets keeping baits alive for a considerable period. If you need the versatility of using an aerator in a variety of different sized live bait buckets, the two-speed aerator will give you more power for the larger buckets. Ideal for keeping prawns, sand eels and other smaller live baits aliveduring a session.