Orbit Popup Watermaster sprinkler model #55012 -ONE Sprinkler | eBay
Amazon.com : Orbit 54116 Sprinkler System 2-Inch Soft Top Pop-Up Spray Head with 10-15-Foot Coverage in Partial to Full Circle : Oscillator Lawn And Garden Sprinklers : Patio, Lawn & Garden
Orbit 1/4 Pattern Plastic Pop-Up with Brass Nozzle 54029 - The Home Depot
Orbit 10-ft-15-ft Adjustable Pop-up Spray Head Sprinkler in the Underground Sprinklers department at Lowes.com
Amazon.com : Orbit 54500 2" Professional Hard Top Pop-Up Spray Head Sprinkler with 15' Adjustable Pattern Nozzle : Patio, Lawn & Garden