• Perfect compatibility with 1/4 inch irrigation tubes: these elbow connectors fit most standard 1/4 inch drip irrigation tubes. (Note: check the tube size before purchasing). • Durable plastic material: made with high-quality engineering plastics, these drip line elbows are sturdy, durable, waterproof, and chemical-resistant. • Easy installation: no glue, tools, or clamps required. Simply insert the elbow into the ends of the water pipe; the barbed ends ensure a firm and leak-proof connection. • Package contents: includes 40 barbed elbow connectors, allowing you to set up your irrigation system according to your needs. • Versatile application: ideal for gardens, flower beds, greenhouses, farms, lawns, patios, and other agricultural irrigation systems.