Product was made out of all plastic. Won't last very long. There was no pressure to scrub the cement. Maybe I need a higher pressure washer. Not for sure. But this was not adequate.
Shipping was quick price was just OK.
Pros:Easy To Use, Light Weight
Curt Does Not Recommend This Product
This unit is meant to work with Karcher electric pressure washers up to 2000 PSI. Page 3 of your Owner's Manual shows how to turn the control knob on top of the unit to increase the pressure.
The rapidly spinning nozzles focus the water pressure on the cement to flush dirt out of nooks and crannies. If there's a heavy layer of dirt on the surface it's a good idea to flush that off with the regular nozzle first, then use the surface cleaner for a deep cleaned, smooth finish.