the K4 weighs in at 12kg while the K7 weighs in at a slightly bulkier 17.7kg. Hose length is important, too, because it means you might not necessarily have to more the pressure washer that much ...

Welcome to T3's Kärcher K4 Full Control Home Pressure Washer review ... release attachment that I had been using with my Hozelock hose nozzle) and then priming the system. Priming the system ...