Six Pack Of Karcher Garden 3-in-1 Stone Patio Cleaner Liquid 1L 6.295-765.0 | eBay
Karcher T 5 T-Racer 11 in. Maximum 2600 PSI Electric Pressure Washer Surface Cleaner Attachment for K1-K5 32 in. Wand Included 2.644-342.0 - The Home Depot
Tested: 6 Best Pressure Washers for Patios & Driveways