DIG’s compression, barbed, and Universal NUTLOC™ fittings ensure a secure and reliable drip irrigation system installation without the need for glue or clamps. Made from high-impact plastic, the compression fittings guarantee a strong and dependable connection with both drip tubing and dripline. DIG also offers versatile Universal NUTLOC™ fittings and a wide range of ½” (16 and 17 mm) barbed fittings to meet various installation requirements.