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You are here: Home > Lawn Irrigation > Sprinkler Heads > Sprinkler Rotors > Hunter Rotors > Hunter I-20 Ultra Rotors (17 - 46 ft)
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Hunter 782900 - Ultra Nozzle Rack for I20 Ultra and PGP Ultra Rotors (Standard and Low Angle)
Hunter 782900 Standard and Low Angle Nozzle Set for Ultra Rotors
  • Set of 12 nozzles (8 standard and 4 low angle)
  • Compatible with Hunter I-20 Ultra and PGP Ultra rotors

Our Price: $0.42
Sale Price: $0.29
You save $0.13!
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Hunter Adjustment Tool (Key) - HU-05-17200
Hunter 05-17200 Rotor Nozzle Adjustment Tool
  • Adjusts all  hunter rotors and PS model spray heads
  • Adjusts arc and  radius

Our Price: $0.65
Sale Price: $0.34
You save $0.31!
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Hunter 466100 - Short Radius Nozzle Set for I-20 & PGP Ultra Rotor
Hunter 466100 I-20 Rotor Short Radius Nozzle Set
  • Set of 6 nozzles (3 for 18' radius and 3 for 25' radius)
  • Compatible with I-20 Ultra and PGP Ultra rotors

Our Price: $0.56
Sale Price: $0.38
You save $0.18!
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05-3191 - Hunter T-Handle Tool for Nozzle Installation
Hunter 05-3191T T-Handle Tool for Nozzle Installation
  • Use to install  nozzles, pop up the riser, and adjust the arc
  • Compatible with  most standard-adjustment rotors

Our Price: $1.00
Sale Price: $0.88
You save $0.12!
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Hunter 444800 - High Flow Nozzle Set for I-20 Rotor
Hunter 444800 High Flow Nozzle Set for 1-20 Rotors
  • Set of 4 high flow nozzles (2 low angle nozzles included)
  • Compatible with I-20 Ultra rotors

Our Price: $2.00
Sale Price: $1.41
You save $0.59!
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463551 - Hunter Shrub Rotor Staking Kit
Hunter 463551 Shrub Rotor Staking Kit
  • Fastens shrub rotor to rebar stake (stake not included)
  • Stabilizes and protects shrub rotor
  • Includes: plastic shrub rotor harness and one 14" zip tie

Our Price: $4.00
Sale Price: $2.58
You save $1.42!
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Hunter I20-00 Adjustable Arc Shrub Rotor
Hunter I20-00 Adjustable Arc Shrub Rotor
  • Shrub rotor (Non-Pop-Up)
  • 50°-360° full and partial-circle arc adjustment
  • 25'-45' Radius
  • Includes: set of 12 nozzles (8 standard and 4 low angle), 1 adjustment tool, 1 set instructions

Our Price: $22.00
Sale Price: $11.42
You save $10.58!
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Hunter I20-04 - Ultra Plastic Adjustable Arc Rotor with 4 Inch Pop-Up
Hunter I20-04 4 in. Pop-Up Adjustable Arc Rotor
  • 4" Pop-Up
  • 50°-360° full and partial-circle arc adjustment
  • 17'-46' Radius
  • Includes: set of 12 nozzles (8 standard and 4 low angle), 1 adjustment tool, 1 set instructions

Our Price: $29.00
Sale Price: $11.68
You save $17.32!
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Hunter I20-04-R 4 in. Pop-Up Adjustable Arc Rotor for Reclaimed Water
Hunter I20-04-R 4 in. Pop-Up Adjustable Arc Rotor for Reclaimed Water
  • 4" Pop-Up with purple cap for reclaimed water use
  • 50°-360° full and partial-circle arc adjustment
  • 17'-46' Radius
  • Includes: set of 12 nozzles (8 standard and 4 low angle), 1 adjustment tool, 1 set instructions

Our Price: $22.60
Sale Price: $14.58
You save $8.02!
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Hunter I20-04-SS - Ultra Adjustable Arc Rotor with 4 Inch Stainless Steel Pop-Up
Hunter I20-04-SS 4 in. Pop-Up Stainless Steel Adjustable Arc Rotor
  • 4" Stainless  Steel Pop-Up
  • 50°-360° full and  partial-circle arc adjustment
  • 17'-46' Radius
  • Includes: set of 12  nozzles (8 standard and 4 low angle), 1 adjustment tool, 1 set instructions

Our Price: $23.21
Sale Price: $16.78
You save $6.43!
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Hunter I20 Rotor
Hunter I20-04-PRB with Pressure Regulated Body

  • 4" Pop-Up

  • 50°-360° full and partial-circle arc adjustment

  • 17'-46' Radius

  • Includes: set of 12 nozzles (8 standard and 4 low angle), 1 adjustment tool, 1 set instructions


Our Price: $24.11
Sale Price: $17.98
You save $6.13!
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Hunter I20-06 - Ultra Plastic Adjustable Arc Rotor with 6 Inch Pop-Up
Hunter I20-06 6 in. Pop-Up Adjustable Arc Rotor
  • 6" Pop-Up
  • 50°-360° full and partial-circle arc adjustment
  • 17'-46' Radius
  • Includes: set of 12 nozzles (8 standard and 4 low angle), 1 adjustment tool, 1 set instructions

Our Price: $35.00
Sale Price: $18.28
You save $16.72!
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Hunter I20-04-SS-R 4 in. Stainless Adj Arc Rotor for Reclaimed Water
Hunter I20-04-SS-R 4 in. Stainless Adj Arc Rotor for Reclaimed Water
  • 4" Pop-Up with stainless steel riser and purple cap for reclaimed water use
  • 50°-360° full and partial-circle arc adjustment
  • 17'-46' Radius
  • Includes: set of 12 nozzles (8 standard and 4 low angle), 1 adjustment tool, 1 set instructions

Our Price: $38.00
Sale Price: $18.88
You save $19.12!
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Hunter I20-06-SS - 6 inch Stainless Steel Pop-Up Sprinkler Head
Hunter I20-06-SS 6 inch Pop-Up Rotor Stainless Steel
  • 6" Stainless Steel Pop-Up
  • 50°-360° full and partial-circle arc adjustment
  • 17'-46' Radius
  • Includes: set of 12  nozzles (8 standard and 4 low angle), 1 adjustment tool, 1 set instructions

Our Price: $47.00
Sale Price: $20.58
You save $26.42!
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Hunter I20 Rotor Pressure Regulator
Hunter I20-04-SS-PRB 4 in. Adj. Pressure Regulator
  • Radius: 17' to 46'
  • Flow rate: 0.36 to 9.8 GPM
  • Nozzle discharge pressure: 45 PSI
  • Operating pressure range: 55 to 100 PSI

Our Price: $30.40
Sale Price: $20.98
You save $9.42!
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Hunter I20-06-R 6 in. Pop-Up Adjustable Arc Rotor for Reclaimed Water
Hunter I20-06-R 6 in. Pop-Up Adjustable Arc Rotor for Reclaimed Water
  • 6" Pop-Up with purple cap for reclaimed water use
  • 50°-360° full and partial-circle arc adjustment
  • 17'-46' Radius
  • Includes: set of 12 nozzles (8 standard and 4 low angle), 1 adjustment tool, 1 set instructions

Our Price: $39.00
Sale Price: $21.88
You save $17.12!
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Hunter I20 Rotor
Hunter I20-06-PRB with Pressure Regulated Body

  • 6" Pop-Up

  • 50°-360° full and partial-circle arc adjustment

  • 17'-46' Radius

  • Includes: set of 12 nozzles (8 standard and 4 low angle), 1 adjustment tool, 1 set instructions


Our Price: $32.42
Sale Price: $24.28
You save $8.14!
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Hunter I20-06-SS-R 6 in. Stainless Steel Adj Arc Rotor for Non-Potable
Hunter I20-06-SS-R 6 in. Stainless Adj Arc Rotor for Reclaimed Water
  • 6" Pop-Up with stainless steel riser and purple cap for reclaimed water use
  • 50°-360° full and partial-circle arc adjustment
  • 17'-46' Radius
  • Includes: set of 12 nozzles (8 standard and 4 low angle), 1 adjustment tool, 1 set instructions

Our Price: $51.00
Sale Price: $24.78
You save $26.22!
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Hunter I20-12 - Ultra Plastic Rotor with 12 Inch Pop-Up
Hunter I20-12 12 in. Pop-Up Adjustable Arc Rotor
  • 12" Pop-Up
  • 50°-360° full and  partial-circle arc adjustment
  • 17'-46' Radius
  • Includes: set of 12  nozzles (8 standard and 4 low angle), 1 adjustment tool, 1 set instructions

Our Price: $38.96
Sale Price: $26.18
You save $12.78!
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Hunter I20-12-R 12 in. Pop-Up Adjustable Arc Rotor for Reclaimed Water
Hunter I20-12-R 12 in. Pop-Up Adjustable Arc Rotor for Reclaimed Water
  • 12" Pop-Up with purple cap for reclaimed water use
  • 50°-360° full and partial-circle arc adjustment
  • 17'-46' Radius
  • Includes: set of 12 nozzles (8 standard and 4 low angle), 1 adjustment tool, 1 set instructions

Our Price: $55.00
Sale Price: $26.28
You save $28.72!
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Hunter I20 Rotor Pressure Regulator
Hunter I20-06-SS-PRB 6 in. Adj. Pressure Regulator
  • Radius: 17' to 46'
  • Flow rate: 0.36 to 9.8 GPM
  • Nozzle discharge pressure: 45 PSI
  • Operating pressure range: 55 to 100 PSI

Our Price: $40.80
Sale Price: $27.98
You save $12.82!
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Hunter I-20 Ultra Sprinkler Rotors


With 34 nozzle choices, a 17’ to 46’ radius, and 6 body choices, the I-20 is an indispensable rotor. 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. Recent improvements include automatic arc return; non-reversing 360, from 50 to 360 degrees; and a non-strippable, vandal-proof drive mechanism that prevents gear stripping and saves repair costs. Adding FloStop® control, easy through-the-top arc adjustment, and a standard drain-check valve all equate to a rotor that stands second-to-none in its class.


Hunter I-20 Ultra sprinkler rotors are the perfect full-feature rotor for irrigation and sprinkler systems with a variety of landscaping needs, such as areas with sandy soil or a mix of shrubs and grass. The Hunter I-20 Ultra Rotor can cover a range of 17-47 feet and includes 20 different nozzle choices, giving you the versatility you need to design the perfect sprinkler system for your landscape.

  • Arc setting: 40 to 360 degrees
  • Factory installed rubber cover
  • Through-the-top arc adjustment
  • Warranty period: 5 years

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