Pressure-compensated 4L/h dripper — Precise and uniform drip irrigation, even at the end of the line.
Trust BloomLED: French growshop expertise, 10+ years in indoor cultivation.
Flow 4 L/h · Range 0.5 to 4 bar · Anti-drain · 4 mm barb
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Engineered for drip irrigation systems in indoor cultivation, this NGE self-regulating dripper delivers a steady flow of 4 litres per hour as soon as the pressure reaches 0.5 bar — and keeps it constant up to 4 bar. The result: uniform watering along the entire line, even with long runs or many plants. A simple, reliable workhorse hand-picked by the BloomLED team.

| Specification | Detail |
|---|---|
| Nominal flow | 4 L/h (self-regulating) |
| Pressure range | 0.5 to 4 bar |
| Connection | 4 mm barbed inlet (for 4/6 mm capillary tubing) |
| Material | UV-treated polypropylene |
| Anti-drain feature | Yes — prevents drip after cycle end |
| Colour | Black (limits algae growth) |
Flow stays identical across every dripper on the line, even at the very end. Essential for large indoor tables and hydroponic setups where uniform watering directly drives crop quality.
The internal membrane closes as soon as the pump stops. No more nuisance dripping between cycles, and your lines stay primed for an instant restart on the next irrigation event.
The 4 mm barbed inlet fits standard capillary tubing and stakes. Mount it directly on 16 mm PE pipe with a punch, or extend with 4/6 mm tubing and an elbow / cross connector to feed each plant precisely.
The 4 L/h output kicks in at 0.5 bar and remains constant up to 4 bar. A standard 12 V or 230 V growshop irrigation pump is more than enough.
How do I install it on a 16 mm PE pipe?Punch the pipe with a 4 mm hole punch, then press the barb directly in, or extend with 4/6 mm capillary plus a stake to place the drop right at the plant base.
Uniform flow across every line — the foundation of a controlled indoor grow, curated by BloomLED experts.