Black Max 15-Inch 3300 PSI Gas Pressure Washer Surface Cleaner $80 New, Price Firm If you want to clean large, horizontal surfaces, like a driveway, a simple brush/scrubber and soap will keep you hard at work all weekend. That is where the BlackMax 15” Gas Pressure Washer Surface Cleaner comes in handy. This surface cleaner easily attaches to a ¼” quick-connect spray wand for use with most gas pressure washers rated 2(contact info removed) PSI. It cleans a 15” diameter path on flat surfaces with rotating jets that give you a large, streak-free cleaning path . Far faster than a nozzle alone, which only focuses on one point at a time. The dual rotating, high-pressure water jets offer 4x faster streak-free cleaning that will make any hard surfaces like driveways, patios and sidewalks look amazing. this surface cleaner has 3 caster wheels for easy maneuvering. BlackMax makes cleaning dirty, grimy, mildewy driveways, patios and sidewalks a blast! (Attachment Only)