A Versatile Kärcher Pressure Washer for Both Car & Home Cleaning with Water-Cooled Induction MotorThe Karcher K 4 Power Control Flex Car & Home Pressure Washer — also referred to as the K 4 Power Control Flex Car & Home, K4 Power Control Flex Car & Home and K-4 Power Control Flex Car & Home — is a flexible mid-to-upper range model from the Kärcher Home & Garden series, designed for users who dem..