KARCHER High pressure washer K 3.550 Technical data Pressure ( bar/ MPa) : 20-max. 120/ 2-max. 12 Flow rate l/ h : max. 420 Max. water feed temperature ( ° C) : max. 40 Power rating ( kW) : 1.8 Weight without access. ( kg) : 12.6 Dimensions ( L x W x H) ( mm) : 300 x 325 x 876 Detergent tank : -