WATER POLISHER (COMPLETE) CAPACITY:2.5-4 T/HR NOVLEL DESIGN GOOD APPEARANCE, STEADY MECHANICAL PERFORMANCE. EQUIPPED WITH WATER PUMP AND AIR PUMP AS WELL AS AUTOMATIC WATER SUPPLE DEVICE WITH CONSTANT TEPERATURE. WITH CURRENT AND NEGATIVE PRESSURE DISPLAY. WITH HIGH QUALITY PARTS WHICH ARE RELIABLE AND DURABLE.