Amazon.com : Rocky Mountain Goods Metal 3 Arm Sprinkler with Wheels Base - Twirling Full Circle Lawn Sprinkler - Stable Base with Easy to Move Rolling - Up to 45' in Diameter -
K-Rain K5 Gear Drive 25-ft-45-ft Adjustable Gear Drive Rotor in the Underground Sprinklers department at Lowes.com
Toro 53721 40 PSI 25 to 45 ft. Radius Pop-Up Universal Impact Sprinkler 1/2 in. | eBay