1) greatly applicable to system of solar, fountain, water circulation 2)brushless, micro, low voltage and noise Feature:1. Life: Expected life span is at least 20000 hours.2. Low noise: 40dB, far from 10cm distance.3. Duty work: The pump can sustain heavy duty work for a day. Continuous operation.4. Working conditions: Applying to indoor and outdoor under temperature 40degC.5. Working temperature ...