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The I-25 gets the job done with power, efficiency, and commercial-grade reliability. With a robust watering radius of 11.9 to 21.6 m, this rotor can be used in a variety of applications and environments. Its compact, highly durable design comes with an optional stainless steel riser for tough-as-nails strength. With a 5-year warranty, the I-25 also has options for reclaimed water ID and high-speed. A standard check valve is built in, and a wide selection of high performance nozzles are available. Efficient, tough, and built-to-last, Hunter I-25 rotors work hard day in and day out so you don't have to.
Models Stainless Steel riser: 100 mm, Check Valve
Arc setting: 50 to 360 degrees, Factory installed rubber cover
Through-the-top arc adjustment, Quick check arc mechanism
Water lubricated gear-drive
Nozzle choices: 12, Nozzle range: #4 to #28
Warranty period: 5 years
| Nozzle | Pressure | Radius | Flow | Precip mm/hr | |||
| bar | kPa | m | m³/hr | l/min | SQ | TR | |
| 4 | 2.5 | 250 | 11.9 | 0.82 | 13.6 | 12 | 13 |
| Yellow | 3 | 300 | 12.2 | 0.91 | 15.2 | 12 | 14 |
| 3.5 | 350 | 12.5 | 0.98 | 16.4 | 13 | 15 | |
| 4 | 400 | 12.5 | 1.05 | 17.5 | 13 | 16 | |
| 4.5 | 450 | 12.8 | 1.11 | 18.6 | 14 | 16 | |
| 5 | 500 | 13.1 | 1.18 | 19.6 | 14 | 16 | |
| 5.5 | 550 | 13.4 | 1.24 | 20.7 | 14 | 16 | |
| 5 | 2.5 | 250 | 12.8 | 0.95 | 15.9 | 12 | 13 |
| White | 3 | 300 | 13.1 | 1.04 | 17.3 | 12 | 14 |
| 3.5 | 350 | 13.4 | 1.11 | 18.5 | 12 | 14 | |
| 4 | 400 | 13.4 | 1.17 | 19.6 | 13 | 15 | |
| 4.5 | 450 | 13.7 | 1.24 | 20.6 | 13 | 15 | |
| 5 | 500 | 14 | 1.29 | 21.5 | 13 | 15 | |
| 5.5 | 550 | 14.3 | 1.35 | 22.6 | 13 | 15 | |
| 7* | 2.5 | 250 | 13.4 | 1.44 | 24 | 16 | 19 |
| Orange | 3 | 300 | 14 | 1.54 | 25.6 | 16 | 18 |
| 3.5 | 350 | 14.3 | 1.61 | 26.9 | 16 | 18 | |
| 4 | 400 | 14.3 | 1.68 | 28 | 16 | 19 | |
| 4.5 | 450 | 14.6 | 1.75 | 29.1 | 16 | 19 | |
| 5 | 500 | 14.9 | 1.81 | 30.1 | 16 | 19 | |
| 5.5 | 550 | 15.2 | 1.87 | 31.1 | 16 | 19 | |
| 8 | 2.5 | 250 | 14 | 1.65 | 27.5 | 17 | 19 |
| Lt. Brown | 3 | 300 | 14.3 | 1.81 | 30.1 | 18 | 20 |
| 3.5 | 350 | 14.9 | 1.94 | 32.3 | 17 | 20 | |
| 4 | 400 | 15.2 | 2.05 | 34.2 | 18 | 20 | |
| 4.5 | 450 | 15.2 | 2.16 | 36 | 19 | 22 | |
| 5 | 500 | 15.5 | 2.27 | 37.8 | 19 | 22 | |
| 5.5 | 550 | 15.8 | 2.38 | 39.6 | 19 | 22 | |
| 10* | 3 | 300 | 15.2 | 2.15 | 35.8 | 18 | 21 |
| Lt. Green | 3.5 | 350 | 15.5 | 2.32 | 38.6 | 19 | 22 |
| 4 | 400 | 15.8 | 2.48 | 41.3 | 20 | 23 | |
| 4.5 | 450 | 16.2 | 2.63 | 43.9 | 20 | 23 | |
| 5 | 500 | 16.2 | 2.78 | 46.3 | 21 | 25 | |
| 5.5 | 550 | 16.5 | 2.94 | 48.9 | 22 | 25 | |
| 6 | 600 | 16.8 | 3.07 | 51.1 | 22 | 25 | |
| 13 | 3 | 300 | 15.8 | 2.38 | 39.6 | 19 | 22 |
| Lt. Blue | 3.5 | 350 | 16.2 | 2.57 | 42.8 | 20 | 23 |
| 4 | 400 | 16.5 | 2.75 | 45.7 | 20 | 23 | |
| 4.5 | 450 | 16.5 | 2.91 | 48.5 | 21 | 25 | |
| 5 | 500 | 16.8 | 3.07 | 51.2 | 22 | 25 | |
| 5.5 | 550 | 16.8 | 3.24 | 54 | 23 | 27 | |
| 6 | 600 | 17.1 | 3.39 | 56.4 | 23 | 27 | |
| 15* | 3 | 300 | 16.8 | 2.86 | 47.7 | 20 | 24 |
| Grey | 3.5 | 350 | 17.1 | 3.05 | 50.8 | 21 | 24 |
| 4 | 400 | 17.4 | 3.22 | 53.7 | 21 | 25 | |
| 4.5 | 450 | 17.4 | 3.38 | 56.3 | 22 | 26 | |
| 5 | 500 | 17.4 | 3.53 | 58.8 | 23 | 27 | |
| 5.5 | 550 | 17.7 | 3.69 | 61.5 | 24 | 27 | |
| 6 | 600 | 18 | 3.82 | 63.7 | 24 | 27 | |
| 6.2 | 620 | 18.3 | 3.88 | 64.6 | 23 | 27 | |
| 18 | 3 | 300 | 17.4 | 3.08 | 51.4 | 20 | 24 |
| Red | 3.5 | 350 | 17.7 | 3.31 | 55.2 | 21 | 24 |
| 4 | 400 | 18 | 3.52 | 58.7 | 22 | 25 | |
| 4.5 | 450 | 18.3 | 3.72 | 62 | 22 | 26 | |
| 5 | 500 | 18.9 | 3.91 | 65.2 | 22 | 25 | |
| 5.5 | 550 | 19.2 | 4.11 | 68.5 | 22 | 26 | |
| 6 | 600 | 19.5 | 4.28 | 71.4 | 23 | 26 | |
| 6.2 | 620 | 19.5 | 4.35 | 72.5 | 23 | 26 | |
| 20* | 3.5 | 350 | 18 | 3.72 | 62.1 | 23 | 27 |
| Dk. Brown | 4 | 400 | 18.6 | 3.97 | 66.2 | 23 | 27 |
| 4.5 | 450 | 18.9 | 4.2 | 70.1 | 24 | 27 | |
| 5 | 500 | 19.2 | 4.42 | 73.7 | 24 | 28 | |
| 5.5 | 550 | 19.5 | 4.66 | 77.7 | 25 | 28 | |
| 6 | 600 | 19.8 | 4.86 | 81 | 25 | 29 | |
| 6.5 | 650 | 20.1 | 5.05 | 84.2 | 25 | 29 | |
| 6.9 | 690 | 20.4 | 5.21 | 86.8 | 25 | 29 | |
| 23 | 3.5 | 350 | 18.6 | 4.56 | 76 | 26 | 30 |
| Dk. Green | 4 | 400 | 19.2 | 4.88 | 81.3 | 26 | 31 |
| 4.5 | 450 | 19.5 | 5.18 | 86.3 | 27 | 31 | |
| 5 | 500 | 19.8 | 5.47 | 91.1 | 28 | 32 | |
| 5.5 | 550 | 20.1 | 5.78 | 96.3 | 29 | 33 | |
| 6 | 600 | 20.1 | 6.04 | 100.6 | 30 | 34 | |
| 6.5 | 650 | 20.4 | 6.29 | 104.8 | 30 | 35 | |
| 6.9 | 690 | 20.7 | 6.5 | 108.3 | 30 | 35 | |
| 25* | 3.5 | 350 | 19.2 | 4.86 | 80.9 | 26 | 30 |
| Dk. Blue | 4 | 400 | 19.8 | 5.23 | 87.1 | 27 | 31 |
| 4.5 | 450 | 20.1 | 5.58 | 93.1 | 28 | 32 | |
| 5 | 500 | 20.4 | 5.92 | 98.7 | 28 | 33 | |
| 5.5 | 550 | 21 | 6.29 | 104.9 | 28 | 33 | |
| 6 | 600 | 21 | 6.6 | 110 | 30 | 34 | |
| 6.5 | 650 | 21.3 | 6.9 | 115.1 | 30 | 35 | |
| 6.9 | 690 | 21.6 | 7.15 | 119.2 | 31 | 35 | |
| 28 | 3.5 | 350 | 18.3 | 5.31 | 88.5 | 32 | 37 |
| Black | 4 | 400 | 19.2 | 5.63 | 93.8 | 31 | 35 |
| 4.5 | 450 | 20.1 | 5.93 | 98.8 | 29 | 34 | |
| 5 | 500 | 20.7 | 6.21 | 103.5 | 29 | 33 | |
| 5.5 | 550 | 21.3 | 6.52 | 108.6 | 29 | 33 | |
| 6 | 600 | 21.3 | 6.77 | 112.8 | 30 | 34 | |
| 6.5 | 650 | 21.6 | 7.01 | 116.9 | 30 | 35 | |
| 6.9 | 690 | 21.6 | 7.21 | 120.2 | 31 | 36 | |
