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Black pressure-compensating drip bubbler with 1/2‑inch (13 mm) threaded inlet, self‑sealing screen and chloramine‑stable silicone diaphragm for irrigation durability.

Toro Pressure-Compensating Drip Bubbler — ½" Threaded Nozzle

Brand: Toro
Save 44%
$9.60
$5.40
SKU DB-04-PC

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Toro’s ½" (13 mm) threaded pressure‑compensating drip bubblers bring commercial‑grade durability to drip irrigation. Designed for contractors and DIY homeowners, these bubblers provide consistent low‑flow watering, resist clogging, and simplify installation on standard ½" PVC risers.

  • Reliable pressure compensation: Built‑in chloramine‑stabilized silicone diaphragm keeps flow steady across normal pressure fluctuations for uniform root watering.
  • Easy, leak‑free installation: ½" (13 mm) female threaded inlet and a self‑sealing screen eliminate the need for plumber’s tape on typical riser installations.
  • Low maintenance: Self‑sealing screen traps debris yet is quick to access and rinse, reducing downtime and service calls.
  • Durable construction: Commercial‑grade materials and UV‑resistant body stand up to outdoor exposure and reclaimed or potable water supplies.
  • Multiple low‑flow options: Available in several flow outputs up to 30 GPH to suit shrubs, trees, and landscape beds.

These pressure‑compensating bubblers are ideal when you need precise, reliable watering from a ½" riser without the fragility of ¼" tubing emitters. They pair well with standard drip or micro‑irrigation plumbing and reduce routine maintenance with a self‑cleaning approach. See Toro product documentation for warranty and parts information.

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Frequently Asked Questions

What pipe fitting does this bubbler require for installation?
It installs on a ½" (13 mm) female threaded PVC riser; the self‑sealing screen removes the need for plumber’s tape for most installations.
How does pressure compensation improve watering consistency?
The internal chloramine‑stabilized diaphragm maintains steady flow across normal pressure swings, giving uniform low‑flow output to each plant.
How do I maintain or clean the pressure‑compensating bubbler?
Periodically remove and rinse the self‑sealing screen to clear debris. Inspect diaphragms and replace if damaged to retain performance.