4 Outlet Compensating Bubblers

The 4 Outlet Pressure Compensating Bubblers are pressure compensating from 20 to 60 psi and are a fast and excellent way to distribute water throughout your garden or flowerbed directly from a 1/2″ threaded riser. Each bubbler is color-coded to indicate different flow rates. Also available is a four-way manifold with no pressure compensation.


  • Color coded for easy flow rate identification
  • Silicon diaphragm on pressure compensating models
  • Built-in filter slots to minimize clogging
  • Top-mounted durable rotating 1/4″ barbed elbows to connect to 1/4″ tubing
  • 1/2″ FIPT Inlet
  • Constructed of UV-resistant, durable plastic material


  • 2 GPH – blue
  • 6 GPH – black
  • 10 GPH – red
  • 20 GPH – green
  • 4-way manifold – grey
  • Operating pressure: 20-60 PSI
  • Inlet size: 1/2″ FIPT
  • Outlet size: 1/4″ barb (fits standard 1/4″ poly or vinyl tubing)
  • Filter requirement: minimum of 150 mesh

4 Outlet Compensating Bubblers

Part No. 20 psi 30 psi 45 psi 50 psi
EPCB2 1.8 gph 2.0 gph 2.4 gph 2.6 gph
EPCB6 5.2 gph 6.2 gph 7.8 gph 8.5 gph
EPCB10 8.0 gph 9.3 gph 11.6 gph 13.0 gph
EPCB20 14.o gph 18.o gph 21.0 gph 23.0 gph


Can be used with 1/4″ distribution tubing. Mount on 1/2″ threaded nipple.

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