Hunter Sprinkler I2004SS I-20 Stainless Steel Gear Driven Pop-Up Sprinkler, 4-Inch Whether you've got a small area, sandy soil, or a mix of shrubs and grass, the I-20 is ready to water with efficiency and reliability With 22 nozzle choices, a 17' to 46' radius and 6 body choices, the I-20 is an indispensable rotor Adding FloStop control, through-the-top arc adjustment and a drain-check valve creates a rotor that stands second-to-none