Product Overview These 1/2 in. Barbed Couplings (4-Pack) are used to connect 2 pieces of 1/2 in. tubing. The couplings facilitate a fast and convenient installation. Cut, connect and secure tubing and emitters to individual plants. Used to connect and secure tubing and emitters to individual plants Helps facilitate a fast and convenient installation Helps add supplemental watering options to individual plants Non-threaded 4 pack Connector for use with 1/2 in. and 5/8 in. drip irrigation tubing Barbed ends grab tubing for a secure leak-proof connection Allows creation of a custom layout for your planting area Recommended for 0 to 50 PSI operating pressure