RainFlo 450 Gallon Above Ground Rainwater Collection System The 450 Gallon Preconfigured Above Ground Rainwater Collection System is preconfigured to simplify assembly and reduce your installation time. We drill all the necessary holes and also install the fittings, rain gauge, floating filter, and overflow in the optimal locations on the storage tank. The 305AGS includes a vertical water tank, 1/2 hp external pump, pump cover, floating filter, tank overflow kit, pre-filtration, first flush diverter, tank gauge, and hardware. Tank Dimensions: 46" Diameter x 50" Height |