... -free 4.Non-Pollution Noiseless NEWSKY 3SPC DC Solar Power Water PumpFeature:1. Compact structure, high-lift, noiseless, non- ... -voltage,over-flow, overload, waterless , automatic recovery ,controlling water height as demand.2.Easy installation, maintenance-free, safe and ... steel casing, shaft core, coupling water entry base and pump body (or copper alloy water entry base and pump body), blower inlet ...