Your Wingman for Patio Cleaning. Put an end to exhausting scrubbing. Simply connect the power cord and garden hose, and then enjoy a cool drink on your clean patio very soon after. Our PCL 4 patio cleaner makes it possible. Rotating roller brushes and water clean evenly, removing even stubborn and ingrained dirt. The amount of water can be adjusted easily, meaning you only use as much water as you actually need. Dirt is loosened and washed away in a single step. No rework is necessary.