Get the reliability of a drip system built into the entire line with the 18mm Dura Flo™ Dripline (0.600 in. ID X 0.700 in. OD). Durable and dependable, this dripperline features 0.5 GPH pressure-compensating (PC) emitters spaced 12 in. apart to deliver a steady, uniform amount of water even if the water pressure changes. The self-cleaning emitters flush out particles in the water to help prevent clogging. Tubing is made of polyethylene, and emitters are made of polyethylene and silicone, all treated with UV inhibitors.