Hunterâs revolutionary MP Rotator⢠Nozzles use multi-stream technology to deliver accurate streams of water with superior uniformity. When used in place of standard spray nozzles, itâs not uncommon to see system water use decrease by up to 30% or more. This technology and water savings is brought to life in the Pro-Spray PRS40. This efficient watering tool combines the rugged Pro-Spray Sprinkler Body with a built-in MP Rotator. Regulated at 2.8 bar; 280 kPa, the Pro-Spray PRS40 ensures the optimum output pressure to achieve maximum efficiency. It is recommended for both residential and commercial applications, and is available in an array of configurations to suit the needs of any site.