Feature(may vary by option.)
●Exclusive co-molded wiper seal features an encased plastic "cage" to provide unmatched resistance to grit, pressure and the environment.●Precision controlled flush at pop-down clears debris from unit, assuring positive stem retraction in all soil types.●Strong stainless steel spring provides reliable stem retraction.●Two piece ratchet mechanism on all models allows easy nozzle pattern alignment without tools and provides added durability..●Pre-installed orange 1800 Pop-Top flush plug blocks debris from entering after flushing.Description Installed in parks and backyards across the globe, Rain Birds 1800 Series is the #1 commercial-grade irrigation spray head brand in the world. Chosen for its reliability, heavy-duty materials and versatility, the 1800 Series has first-rate quality built in for reliable operation and long life. Their superior components and features make them the spray heads of choice for a wide variety of applications. Also available with Seal-A-Matic (SAM) in-stem check valve option and patented PRS in-stem pressure regulator option.