RainBird 1804H 4 Pop-up Spray Head, half pattern (180°) nozzle Type: Pop-Up Sprinkler Head Type: Spray Coverage: 1/2-Circle Height: 6 in. Pop Up Height: 4 in. Fitting Connection Shape: Round Features: Patented pressure-activated co-molded wiper seal prevents wasteful water leakage and assures long life. Heavy-duty stainless steel spring assures flush retraction, every time. Multiple pop-up heights for maximum design flexibility. Spray distance from 6 to 15 feet. 4 pop-up available with full, half, quarter and adjustable pattern nozzles pre-installed. Directional adjustment feature lets you aim the spray pattern by hand. Wide range of nozzle for distance of throw and arc pattern. Available with or without nozzle for customized watering. Simple, top adjustment screw decreases spray distance. No tools needed to change nozzles. U.V. resistant pl...