●Ultra-low vibration and noise, sound is 25db. Safe and safe, no leakage ●This water pump is suitable for most standard water cooling systems ●The pump has 4 different connections, making it easy to connect the heat pipe ●Hydrodynamic wheel sinks are perfectly designed to effectively increase pump flow and reduce noise and vibration ●Made of high quality plastic material, high hardness and toughness, stable and reliable