Hunter I-20 Adjustable Rotor 4 in. Riser with Check Valve

Experience unmatched precision and durability with the Hunter I-20 Adjustable Rotor 4 in. Riser with Check Valve — a professional-grade solution designed for both residential and commercial irrigation systems. With its fully adjustable 50° to 360° arc, QuickCheck mechanism, and water-lubricated gear drive, this rotor delivers consistent, even water distribution across every zone. The built-in drain check valve prevents low-head drainage on slopes up to 10 ft., conserving water while maintaining system efficiency. Hunter’s non-strippable drive and automatic arc return ensure long-term reliability, even in demanding environments. Engineered with 34 interchangeable nozzles, the I-20 offers ultimate flexibility for different flow and radius requirements. Its rugged construction, stainless-steel-reinforced riser, and factory-installed rubber cover protect the sprinkler from debris and vandalism. The FloStop control feature allows individual head shut-off for maintenance without shutting down the entire system — saving time and reducing disruption. Built on Hunter’s reputation for innovation, the I-20 balances precision, performance, and durability to deliver healthy, vibrant landscapes season after season. Built to perform under pressure, the Hunter I-20 Adjustable Rotor ensures long-lasting reliability, water savings, and uniform coverage — a true professional’s choice for demanding irrigation applications.