The Frabill Min-O2-Life Aerated 4.25 Gallon Bucket comes equipped with a 1423 aerator for whisper quiet aeration that runs ultra-quiet. It has a durable insulation that ensures minnows stay alive and well for a long time. From hard shell molded outer bucket to a removable, insulated foam liner, the temperature is going to stay perfect year round. An accessory lid features molded-in notches for accessories such as minnow dip nets and aerators. Runs on 2 D-cell batteries (not included).