Promar American Maple Inc 2 Speed Air Pump /Air Stone and Hose Runs on D Battery #AC-710, Multi, One Size;

Quiet and water resistant sealed, these high quality aerators have been tested and proven to perform day in and day out. The internal piston pump is controlled by a 2 speed setting switch. The high setting allows for maximum aeration, while the low setting conserves battery life. Each aerator includes 2 sets of air tubing and air stones.