Eliminates the two biggest problems of keeping live bait-maintaining constant water temperature and proper aeration. Self contained 11-1/2 quart insulated pail with Bubbles Air Pump. Runs 85 hours on a pair of alkaline 'D' cell batteries. Glass bead air diffuser gives greater dissolved oxygen. Pump can be detached from pail. Styrofoam shell removes for cleaning. Sta-put lid with snap closure - maintains open position for easy access. Light to carry - tough enough to sit on. Great for crappie and ice fishing. New top has tabs to hold aerator, pliers, knife or dip net. Designed to be permanently mounted in a boat, if desired.