(5 Pack) Rainbird 1804 Series Pop-Up Spray Head with Seal-A-Matic and Pressure Regulator Without Nozzle, 4"

Rain Bird 1800-SAM-PRS Series Spray Heads meet the needs of all spray areas, regardless of changing elevation or water pressures. This top of the line spray head incorporates all 1800 Series SAM and PRS features, making them ideal for use in areas with high and/or widely fluctuating water pressures and steep slopes. Trusted for over 30 years, 1800 Series Spray Heads have provided unmatched durability, reliability, and performance. Superior components and features make the 1800 Series Spray Head the spray head of choice for a wide variety of applications. Incorporates all 1800 Series SAM and PRS features Built-in Seal-A-Matic (SAM) check valve. Eliminates the need for under-the-head check valves. Traps water in lateral pipes in elevation changes of up to 14 feet (4.2 m). Reduces wear on system components by minimizing water hammer during start-up Maintains constant outlet pressure at 30 psi (2.1 bar). PRS pressure regulator built into the stem simplifies system design. Eliminates misting and fogging caused by high pressure. Saves time and money Meets the needs of all spray areas, regardless of changing elevation or water pressures