4000 PSI Professional Pressure Washer Surface CleanerThe Most Effortless Way To Clean Your Outdoors "Fantastic attachment! I used this with my 3000 PSI Karcher pressure washer and it turned a 4 or 5 hour job into a 30 min job." Use it all the time on my driveway and deck. It's super easy to use, worth the $$$. Chris T. 10X FASTER With The Right Tool! Get cleaning jobs done up to 10X faster than normal pressure washers for even surface pressure washing! This Surface Cleaner works with up to 4000 PSI