Flushes the cooler every 8 hours. Saves water and money, freshens the air, prevents mineral buildup, and reduces maintenance. Mounting bracket fits all coolers. Includes: Mesh pump screen, 30" of 1/2" I.D. vinyl drain hose, drain hose to overflow pipe adapter, and installation instructions. Flushes cooler after every 8 hours of operation. Connects to regular cooler pump, does not replace it. Pads stay clean and last longer. Prevents scale and mineral build up. Eliminates need for bleed off. Boxed.