K-Rain Pro S 4 in. Pop-Up Sprinkler with Check Valve, Pressure Regulation 78004-CV-PR30 - The Home Depot
KAP-IT Pop-up riser extension from the top of the sprinkler (1-1/2 in. raise) Pop-Up Extender & Kap (black contractor 10 pack) KAP-10 - The Home Depot
Amazon.com : Modtek Replacement Pop UP Sprinkler Heads for RainBird, Hunter, Orbit Pop Up Sprinklers, Sprinkler Color May Vary. (5, 6AN) : Patio, Lawn & Garden
How to adjust the Holman Gear Drive Pop Up Sprinkler - Holman Industries
1/2 Inch 3/4 Inch Integrated Sprinkler Rotating Watering Pop-up Spray High Water Pressure 360 Degrees Head Sprinkler - Garden Sprinklers - AliExpress