The new Orbit Professional Series 4" Spray Head with 5'x 30' side strip pattern nozzle, brings rugged elegance to the irrigation market. It is ideal for use in residential and commercial landscapes, and handles the most intricately designed, high maintenance areas with ease. Professional Series Side Strip Pattern Nozzle provides uniform coverage and long lasting performance. There are two seals on the cap, a radial seal and a face seal. There are two more seals on the riser making leaks a thing of the past.