The 3 in Professional Series Spray Head is ideal for use in residential and commercial landscapes and handles the most intricately designed, high maintenance areas with ease The spray head is easy to adjust even when the water is on The pattern adjusting nozzle, allows easy water control and spray direction It also features an antidrain check valve for keeping the water from draining onto sidewalks, creating slippery hazards or wasting water The Professional Series Spray Head offers a comolded, pressure activated wiper seal that stops excessive flowby and cleans the stem upon completion of watering A preinstalled pressure regulator delivers a constant 30 PSI the precise pressure at which spray nozzles operate best Delivers even and consistent water coverage over a nozzle’s radius No over spray or misting due to an over pressurized system