4" 1800 w/ PRS

Rain Bird 1804 Spray Body NSI 4 in. Pop Up with PRS30 Pressure Regulator
Designed for use with all Rain Bird plastic spray head nozzles - rotary nozzles, U-series, MPR, VAN and XPCN series
Strong stainless steel spring provides reliable stem retraction and withstands corrosion
Constructed of time-proven UV resistant plastic and corrosion resistant stainless steel parts, assuring long product life
All sprinkler components are removable from the top without special tools, providing for quick and easy flushing and maintenance of the sprinkler
Maintains constant outlet pressure at 30 PSI (2.1 Bar)
Ensures maximum nozzle performance, even with varying inlet pressures
Exclusive co-molded wiper seal features an encased plastic cage to provide unmatched resistance to grit, pressure and the environment
Pre installed 1800 Pop-Top, flush plug blocks debris from entering after flushing and allows for easy nozzle installation
Precision controlled flush at pop-down clears debris from unit, assuring positive stem retraction in all soil types
Restricts water loss by up to 70% if nozzle is removed or damaged. Reduces possibility of accidents and property damage. Recommended for vandal-prone areas.