black standard irrigation valve 2.Lock Valve Used 3.Thread Valve 4.in Irrigation Works Plastic Drip Irrigation Barb Lock Valve Flow Stop ValveFEATURES & BENEFITS 400 Series Barb - Connects Drip Tape to Poly Header Line with RED ON/OFF Valve. (Use to add more lines to Super Garden Kit)For watering row crops & vegetable gardens.Use with the HC-45 Punch. (Make a straight punch.) Flow Control Valve ...