Valve bodies, timers, actuators, pressure reducing valves, globe valves, spray heads, rotors and other key irrigations components are available from Champion Irrigation products. Champion Irrigation makes products that last and withstand time. Center Strip Pattern Underground Sprinkler Nozzle. Comes with two to a pack. Use with pop up and shrub sprinkler heads. Compatible with other major brands. Spacing 11" to 15". Stainless steel adjustment screw.