Fast, Even Cleaning For Large Flat Surfaces. Great for driveways, parking lots, rooftops & pool decks. Prevents the zebra striping produced by regular sprayers and increases cleaning efficiency. Reduces cleaning time by up to 60% over regular nozzles. Hover action won't mar, aggregate pavers, or stamped concrete. Keeps overspray to a minimum, even working close to walls. 20" heavy duty polypropylene cover. High-tech polymer is light weight and durable, channels water flow out the front, away from the user. Welded steel two arm rotary spray bar thatHas two # 2.5 @ 25° meg nozzles; rated to 8 GPM & 4000 PSI.Handle trigger for comfort; work longer with less fatigue. Connects to pressure washer with male 3/8" quick connect.