Description 10 ft. to 15 ft. spray radius for large-sized lawns 4 in. pop-up height Pre-installed pressure regulator in each head ensures optimal nozzle performance Stem threaded to fit all major manufacturers female threaded nozzles Pressure regulated to 30 psi Durable twin-spray brass nozzle provides unmatched coverage to eliminate brown spots Strong, fortified cap with superior threads Surface area of the filter has been improved and strengthened Spray head pockets are designed to catch debris preventing wear and tear on the entire irrigation system Stem works in tandem with the wiper seal and cap to help prevent leaks