Our complete line of fittings is known for its superior performance and reliability. These non-corrosive plastic fittings are guaranteed to provide a secure, watertight and airtight connection. These fittings offer strength and durability. Use these high quality barbed connectors for your irrigation or hydroponic systems. Available in 3/16 inch, 1/4 inch, 1/2 inch, and 3/4 inch.