DC 12V Hot/Cooling Water Circulation pump. 2x brass coupler. -This pump is an amphibious pump, you can dive (hot/cold water). 1x 12V pump. -The pump adopts high-performance ceramic shaft, high precision, good shock resistance, because the pump adopts the ceramic sleeve and the ceramic shaft precision cooperation, the noise is lower than 35 decibels, the power smaller even can reach 30 decibels,almost mute effect.
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