Rain Bird 1800 Series 3 in. Variable Arc Nozzle Sprinkler 1803VAN - The Home Depot
Rain Bird 6" - Pop-up Spray Head Sprinkler - Professionals 1800 Series - DIY 77985007430 | eBay
Amazon.com : Rain Bird 1800 Series Pop-Up Sprinklers 10 PACK - Nozzles NOT included - RainBird 4" 1804 model pop up irrigation sprinkler for lawn, yard, garden, planter beds : Patio, Lawn & Garden