Rain Bird PC Diffuser Cap — UV-Resistant Pressure-Compensating Bubbler

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Rain Bird PC Diffuser Cap (PC-DIFFUSER) snaps onto pressure-compensating (PC) modules and XB emitter outlets to create a controlled bubbler and prevent washout from high-flow emitt ers. Made from UV-resistant polyethylene, the cap simplifies installation and protects the emission point for clean, targeted watering. Snaps securely onto PC modules and XB emitter outlets to create a bubbler effect and prevent washout. Manufactured from UV-resistant polyethylene for long-term outdoor durability. Tool-free, finger-friendly installation—press on for quick placement and easy removal for maintenance. Available in black (PC-DIFFUSER) and purple (PC-DIFF-PPL) to identify non-potable or reclaimed water lines. Ideal when a PC Module is used as the final point of emission to eliminate squirting and deliver water precisely to the root zone. Compact, low-profile design minimizes visual impact while directing water to the plant area for efficient irrigation. Designed for use with Rain Bird PC Modules and XB emitters, the diffuser cap reduces splash and erosion at emission points while preserving the module's pressure-compensating performance. Refer to your PC Module's specifications for flow, pressure, and filtration requirements, and choose the purple model for reclaimed water installations. Show more