Drip Irrigation Gravity Feed Kit - Waters up to 30 Plants - By Irrigation Direct Waters up to 30 plants - 30 Turbo-Key Drip Emitters Connects to a rain barrel. Bulk Head Fitting included (with instruction sheet). 1/2" drip tubing mainline - 1/4" feeder lines to individual plants Deluxe Hole Punch included - 1/2" Flow Control Valve included Direct-Loc tees, couplers, end caps, & swivel adapter are removable and reusable