Spraying Systems Co are experts in spray technology. Their spray nozzles are used for many applications such as cleaning, coating, cooling, drying, lubricating, dispensing, sanitizing and much more. When used for pressure washing, they are great for cleaning most surfaces. This nozzle is 1/8" MEG, 04 in size and has a 25 degree spray angle. The wider spray angle is good for removing mud or leaves and debris that isnt firmly fixed or implanted to any surface.