Homedepot offers Rain Bird 1800 Series 4 in. Pop-Up Sprinkler, 0-360 Degree Pattern, Adjustable 8-15 ft. 1804AP-25 - The Home Depot for $5.97 free shipping.

Product Description:
Enjoy the Rain Bird Professional Series Plastic Adjustable Pop-Up Sprinkler Nozzle 1804VAN, with adjustment screw features an MPR 1/2-pattern nozzle to provide uniform watering performance at The Home