... wash the car, starting wash from top tobottom.4. Pull out the water filter head and use our special quick connector, which ... access to the tap water to supply water.(Special note: access to tap water, the water pressure should not exceed 4 kgs.)III,Teconology SpecificationsCW ... -1(1),power:120W (2),voltage:DC12V (3),current:9A (4),water flow:3.5-6.5L/min (5),pressure:145PSI (6 ...