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The Rain Bird 8F MPR Nozzle is the industry standard for reliable, full-circle spray coverage in compact lawn and landscape zones. Part of Rain Bird's legendary Matched Precipitation Rate (MPR) series — installed by more contractors than all other brands combined — the 8F delivers a consistent, even spray pattern across a full 360° arc at an 8-foot radius. Whether you're watering a small circular lawn area, a shrub bed, or a tight corner that needs full wrap-around coverage, this nozzle snaps directly into any Rain Bird spray body or shrub adapter and gets the job done cleanly.
What makes the MPR series stand out is its matched precipitation rate technology: when you mix nozzles of different arcs and radii on the same zone — say, a 10F full-circle alongside an 8H half-circle — they all apply water at the same rate per hour. That means no dry spots, no overwatered areas, and no need to run separate zones just to balance coverage. The 8F is top color-coded in green for quick visual identification, so sorting, staging, and verifying nozzle placement is fast — even when the system isn't running. A built-in blue fine-mesh filter screen (.02" × .02") shipped with each nozzle keeps the orifice clear and maintains precise radius adjustment over time. The stainless steel adjustment screw lets you fine-tune flow and radius on the spot without swapping nozzles.
Need full-circle coverage at a larger radius? Consider the Rain Bird 10F (10 ft. Full-Circle) or the Rain Bird 15F (15 ft. Full-Circle). For half-circle coverage at the same 8-foot radius, the Rain Bird 8H (8 ft. Half-Circle) matches precipitation rate perfectly. Browse all compatible spray bodies and nozzles at DripWorks.
| Specification | Details |
|---|---|
| SKU | PRBMPR8F |
| MPN | 8F |
| Brand | Rain Bird |
| Nozzle Series | MPR (Matched Precipitation Rate) |
| Pattern | Full Circle (360°) |
| Radius | 8 ft. |
| Spacing | 3 to 20 ft. (0.9 to 4.6 m) |
| Operating Pressure Range | 15 to 30 PSI (1.0 to 2.1 bar) |
| Optimum Pressure | 30 PSI (2.1 bar) |
| Nozzle Type | Fixed Spray |
| Inlet Type | Female Thread |
| Radius Adjustment | Stainless Steel Adjustment Screw |
| Filter Screen | Blue Fine-Mesh (.02" × .02") — Included |
| Color Coding | Green (Top Color-Coded™) |
| MPR Compatibility | 5, 8, 10, 12, and 15 Series |
| Compatibility | Fits all Rain Bird spray heads and shrub adapters |
Rain Bird's MPR full-circle nozzles are designed to work together on the same zone. All models maintain matched precipitation rates, so you can mix radii and arcs without creating wet or dry spots. Choose the radius that fits your zone dimensions:
| Model | Pattern | Radius | Pressure Range | Color Code |
|---|---|---|---|---|
| 8F (This Item) | Full Circle (360°) | 8 ft. | 15–30 PSI | Green |
| 10F | Full Circle (360°) | 10 ft. | 15–30 PSI | Blue |
| 15F | Full Circle (360°) | 15 ft. | 15–30 PSI | Black |
| 8H | Half Circle (180°) | 8 ft. | 15–30 PSI | Green |
| 10H | Half Circle (180°) | 10 ft. | 15–30 PSI | Blue |
| 15H | Half Circle (180°) | 15 ft. | 15–30 PSI | Black |
What does "Matched Precipitation Rate" (MPR) mean?
MPR technology ensures that all nozzles in the Rain Bird series — regardless of arc or radius — apply water at the same rate per hour. This means a 360° full-circle nozzle and a 180° half-circle nozzle on the same zone will each put down the same depth of water in the same amount of time. The result is uniform coverage without dry spots or overwatered areas, even when mixing nozzle types on one circuit.
Will the 8F nozzle fit my existing spray heads?
Yes. The Rain Bird 8F uses a standard female thread inlet and is designed to fit all Rain Bird spray heads and shrub adapters. It is part of the same MPR series used across Rain Bird's 1800 Series, 1804, 1806, and compatible shrub bodies. If you're unsure which spray body to pair it with, browse our full selection of spray bodies at DripWorks.
What is the ideal operating pressure for the 8F nozzle?
The 8F operates between 15 and 30 PSI, with an optimum pressure of 30 PSI. At pressures below 15 PSI, coverage may be uneven and radius will be reduced. If your system pressure exceeds 30 PSI, Rain Bird recommends using pressure-regulated spray heads (such as the 1800 PRS series) to maintain optimum nozzle performance. DripWorks also carries a full range of pressure regulators to help you dial in the right pressure.
What is the blue filter screen included with the nozzle?
Each 8F nozzle ships with a blue fine-mesh filter screen (.02" × .02" mesh). This screen installs at the base of the nozzle and catches debris before it can clog the spray orifice. Keeping the screen clean maintains the factory-calibrated radius and ensures consistent precipitation rates over time. It's a small component with a big impact on long-term system performance.
Can I mix 8F nozzles with other MPR nozzles on the same zone?
Absolutely — that's the core benefit of the MPR system. You can mix full-circle (8F, 10F, 15F) and half-circle (8H, 10H, 15H) nozzles on the same zone and they will all apply water at the same rate per hour, as long as they are all from the MPR series. This gives you tremendous flexibility in designing zones to match irregular lawn or landscape shapes without sacrificing uniformity.
What does the stainless steel adjustment screw do?
The adjustment screw allows you to reduce the flow and radius of the 8F nozzle without removing or replacing it. Turning the screw clockwise decreases flow and shortens the throw radius; counterclockwise opens it back up toward the rated 8-foot radius. This is especially useful for fine-tuning coverage near sidewalks, driveways, or structures without overspray.
What does "Top Color-Coded™" mean?
Rain Bird's Top Color-Coded nozzles are marked with a color on the top of the nozzle body to identify the radius and arc at a glance — even when the system is off. Green nozzles = 8-series (8 ft. radius). This makes it fast to sort nozzles on the job, verify correct installation after the fact, and identify incorrect nozzles without running the system.
What is the difference between the 8F and the 8H nozzle?
Both cover an 8-foot radius and share the same MPR precipitation rate, but the 8F sprays a full 360° circle while the 8H covers a 180° half-circle. Use the 8F for open, center-of-lawn positions where full wrap-around coverage is needed. Use the 8H along edges, walkways, or fence lines where only half coverage is required.
Before you install, verify the following:
Pair the Rain Bird 8F with these essential components for a complete, properly functioning spray zone:
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