Rapala custom design Compact floating Aerator.Compact type with integrated body and air stone.Automatically switch on just by floating.Air ejection rate: Approx. 1.2 L/min.Continuous operation time: Switchable by switch operation
(1)14 hours ; (2) 31 hours.*ON/OFF automatic switching every 15 minutes. It will turn off after the above time has passed, but When it is submerged in water again, it will reset and start operating.Batteries: 6 AA batteries