Arfun 20-Pack Drip Irrigation Barbed Couplings — Fits 1/2 Inch Tubing, 17mm ID

Overview

Keep your drip irrigation running smoothly with Arfun 20-pack barbed coupling fittings. Designed for 1/2 inch tubing and compatible with tubing that has a 17 mm inner diameter, these fittings let you connect two runs, repair a leaky section, or extend your system to reach thirsty plants along beds, pots, or rows without fuss.

Constructed from durable plastic, the barbed ends grip tubing securely and form a dependable connection that resists leakage through daily watering and seasonal changes. The simple push-on design means you can assemble and reconfigure setups without glue, clamps, or special tools, making it a practical option for gardens, greenhouses, patios, and lawns.

Two barbed ends for a secure connection

Each coupling features two barbed ends that grip the inside of standard 1/2 inch drip tubing. The snug fit minimizes wobble and reduces the risk of leaks at joints, ensuring water reaches the intended area more consistently.

Easy, tool-free installation

No glue or clamps are required. Push the tubing firmly over the barbed ends and you are ready to go. If the fit is tight, a brief warm-up of the tubing tip with a heat source can ease insertion.

Wide compatibility and practical uses

• Fits most generic 1/2 inch drip lines with an inner diameter of 0.560 to 0.600 inches
• Ideal for garden beds, greenhouses, flower beds, patios, and lawn irrigation systems

Notes on sizing and setup

• Tubing diameters vary across brands; if your tube measures about 0.520 inches, you may need a 16 mm size instead
• The 20 piece set provides ample fittings for small to mid scale projects and allows flexible layouts

Why choose Arfun

These fittings offer a practical, reusable solution for maintaining even moisture or adapting an existing drip layout. Results can vary with setup and conditions, but the fittings can support reliable connections and easier future repairs or expansions.