Professional Series Underground Sprinkler Head, Adjustable Pattern, 4-in. Pop Up, 4-ft. Spray

The #1 selling commercial grade pop-up sprinklers in the world, Rain Bird 1800 Series sprinkler heads provide unmatched reliability in all climates and soil types. Among superior performance features is a patented co-molded wiper seal that clears debris at pop-down and, together with a strong stainless steel internal spring, ensures positive stem retraction and a tight seal season after season.

• Exclusive co-molded wiper seal features an encased plastic "cage" to provide unmatched resistance to grit, pressure and the environment.
• Pressure-activated, multi-function seal design assures a positive seal without excess ?flow-by? which enables more heads to be installed on the same valve.
• Precision controlled flush at pop-down clears debris from unit, assuring positive stem retraction in all soil types.
• Two-piece ratchet mechanism on all models allows easy nozzle pattern alignment without tools and provides added durability.
• All sprinkler components are removable from the top without special tools, providing for quick and easy flushing and maintenance of the sprinkler.
• Patented pressure activated co-molded wiper seal prevents water leakage and wipes the stem clean while preventing grit entering in to the case and assures long life.
• Directional adjustment feature allows you to adjust pattern after installation of sprinkler to the pipe.
• Heavy-duty stainless steel spring assures flush retraction every time.