Seal any 4 mm outlet in 2 seconds — Pack of 10 drip caps for micro-irrigation lines, 100% leak-tight.
Designed in France by BloomLED, growshop expert for 10+ years.
4 mm I.D. · Polyethylene · Pack of 10 · Fits 4/6 mm tubing
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This 10-pack of BloomLED drip caps slides onto any 4 mm I.D. / 6 mm O.D. soft tubing to seal an unused dripper outlet, close off a branch, or create a clean end of line. A grow-room essential whenever you reshape your watering grid inside a grow tent, greenhouse or hydroponic setup.

| Spec | Value |
|---|---|
| Internal diameter | 4 mm |
| Tubing compatibility | 4/6 mm soft (4 mm inner) |
| Material | Food-grade polyethylene, BPA-free |
| Pack size | 10 pieces / bag |
| Leak rating | 100% leak-proof up to 2 bar |
No tool, no glue: push in, it clicks, it seals. The grooved profile holds firm even under pump pressure.
Soft polyethylene hugs the tubing wall and shrugs off UV, constant humidity and nutrient solutions.
Reshape your irrigation grid without rebuilding it: cap an outlet today, pull the plug tomorrow and drop a dripper back in.
Any micro-irrigation soft tubing with 4 mm inner / 6 mm outer diameter. Works with BloomLED 4/6 mm rolls and most drip-kits on the market.
Will it hold under pump pressure?Yes, up to 2 bar in continuous service. Above that, add a pressure regulator at the line head to protect your entire micro-irrigation network.
The pro fix to seal a 4 mm outlet cleanly — no makeshift workarounds.