... , low noise, small vibration - 60degree c - Both pumping water and air - Working above 500Hs - Brushless Summary:DS23 series pump digest and absorb foreign ... of new corrosion-resistant plastic and rubber materials.It can pump oil, acid, alkali, corrosion resistance to chemicals and other ... , seawater desalination, vehicle, shower, toilet, health, environmental protection DS23 Micro Diaphragm Pump