Adjustable 8-Hole Micro Drip Irrigation Emitter – 1/4" Barb

Adjustable 8-Hole Micro Drip Irrigation Emitter – Precise Watering for Every Garden

Keep your garden, potted plants, and raised beds perfectly hydrated with these versatile adjustable 8-hole drip irrigation emitters. Available in multiple colors for easy zone identification, these 1/4" barb dripper nozzles deliver consistent, controllable moisture exactly where your plants need it — eliminating overwatering and underwatering for good.

Whether you're setting up a backyard drip system, nurturing container gardens, or maintaining a greenhouse, these emitters offer the flexibility and reliability you need to keep every plant thriving.

Note: This product is an irrigation tool and is not intended to diagnose, treat, cure, or prevent any disease or health condition.

Why You'll Love These Drip Emitters

• Fully Adjustable Flow: Rotate the cap to dial in exactly the right flow rate — from a gentle drip all the way up to 0–70 L/H, or shut off completely using the built-in ratchet mechanism.
• 8-Hole Coverage: When fully open, each emitter covers a 10–12 inch watering circle, delivering even, uniform moisture around the root zone.
• Pressure-Stable Performance: Maintains consistent irrigation uniformity even during long-term use or pressure fluctuations — no more dry spots or soggy patches.
• Universal 1/4" Barb Connection: Fits standard 4mm/7mm (inner/outer diameter) drip tubing — compatible with virtually all residential drip irrigation systems. Can also connect by drilling a 4mm hole directly into a supply pipe.
• Color-Coded for Easy Zoning: Available in red, purple, blue, light green, and yellow — perfect for organizing different watering zones at a glance.
• Durable Plastic Construction: Made from high-quality PP, POM, and ABS plastics for long-lasting outdoor use and resistance to UV and moisture.
• Great for Potted Plants: Especially effective for container gardens, window boxes, and hanging baskets where precise, gentle watering is essential.

Specifications

• Name: Adjustable 8-Hole Drip Emitters
• Material: Plastic (PP, POM, ABS)
• Colors Available: Red, Purple, Blue, Light Green, Yellow
• Flow Rate: 0–70 L/H (adjustable)
• Coverage Diameter: 10–12 inches (fully open)
• Maximum Operating Pressure: 1–3.5 kg
• Connection Size: 1/4" barb (fits 4/7mm hose)
• Country of Origin: Made in China

Perfect For

• Garden drip irrigation systems
• Potted and container plants
• Raised bed gardens
• Greenhouse and indoor plant watering
• Window boxes and hanging baskets
• Vegetable, flower, and herb gardens

Pair It With These Related Products

Complete your irrigation setup with these helpful items from our store:

• 1/4" Drip Irrigation Kit – Adjustable Auto Watering Sprayer
• 1/2" DN15 Garden Sprinkler Heads – Lawn & Irrigation Nozzles
• 10-Pack Brass Adjustable Misting Nozzles – Garden Irrigation

Learn More About Efficient Garden Watering

Drip irrigation is one of the most water-efficient gardening techniques available. Learn more about water-smart gardening practices from the EPA WaterSense Program.

Frequently Asked Questions

Q: What size tubing do these drip emitters fit?

A: These adjustable drip irrigation emitters feature a 1/4" barb connection and are designed to fit standard 4mm inner diameter / 7mm outer diameter drip tubing. You can also install them by drilling a 4mm hole directly into a supply pipe.

Q: Can I completely shut off an individual emitter?

A: Yes! Each emitter includes a built-in ratchet mechanism on the cap and a notch on the base, allowing you to rotate the cap to fully shut off water flow — giving you complete control over each watering zone. (Note: This shut-off feature applies to all color variants except the Big Green Dripper.)

Q: What is the maximum flow rate of these drip irrigation nozzles?

A: The flow rate is fully adjustable from 0 up to 70 litres per hour (L/H), with a maximum operating pressure of 1–3.5 kg. This makes them suitable for a wide range of plant types and garden configurations.

Q: Are these emitters suitable for use with potted plants?

A: Absolutely. These drip emitters are an excellent choice for potted plants, container gardens, and hanging baskets where precise, gentle, and consistent watering is important. Their compact design and adjustable flow make them ideal for small-space gardening.

Q: Why are there different colors available?

A: The multiple color options (red, purple, blue, light green, and yellow) make it easy to color-code your drip irrigation zones, helping you quickly identify which plants or areas are on different watering schedules or flow settings.