The Water Jet power washer, the Turbo Jet power washer and the heavy-duty high pressure adjustable metal hose nozzle water jet gun water-saving sprayer washer are some good jet sprayers. Each of these sprayers has at least a 3.7-star rating on Amazon.com, as of January 2016.
The Water Jet power washer is made of stainless steel, aluminum, brass and plastic. It has two nozzle streams -- fan spray and stream, connects to a garden hose easily and sprays away built-up dirt and mold on wood, aluminum, tires, concrete and glass. It has a 3.7-star rating.
The Turbo Jet power washer has a 3.8-star rating. It turns the normal water hose into a high-pressure washer; removes mold and built-up dirt from aluminum, concrete and wood; and blast weeds and grime from concrete and brick patios, driveways and pool decks. It also washes cars, trucks and boats, reaches second story windows and removes wasp nests from a distance.
The heavy-duty high pressure adjustable metal hose nozzle water jet gun water-saving sprayer washer is made of heavy-duty metal; has eight spray patterns, including jet, rinse, mist, shower and soaker; and an ergonomic one-hand operation with a locking trigger. It is useful for cleaning vehicles, washing walls, bathing pets, irrigation and watering plants.