DIG’s compression, Universal NUTLOC™ and barbed fittings ensure a secure and reliable drip irrigation system installation without the need for glue or clamps. Made from high-impact plastic, compression fittings guarantee a strong and dependable connection with both drip tubing and dripline. The versatile Universal NUTLOC™ fittings connect range of blank drip tubing, dripline sizes and a wide range of barbed fittings to meet various drip irrigation installation requirements.