The micro-line drip line with drip emitters is extruded micro tubing with flow labyrinth in-line emitters molded into the inside wall of the micro tubing. The inline drip emitter is built with a large filter along the cross section of the drip emitter to ensure that moving particles on the bottom of the micro tubing from entering the labyrinth water path, ensuring trouble free operation and long life. This tubing has emitters spaced 6" apart for your convenience. Nominal flow rates: .52 GPH (2 L/H) at 15 PSI (1 BAR) Dripper color code: blue Operating pressure: 10-25 PSI (.7-1.7 BAR) Dripline color code: black or brown Materials: Dow FINGERPRINT DFDA-7510 NT linear low-density polyethylene resin Size: 1/4" (6 mm) (.170" ID x .250" OD) (4.445 mm ID x 6.35 mm OD) Spacing: 6", 9" or 12" (15 cm, 23 cm, or 30 cm) Minimum bending radius: 1' (.3 m) Filter requirement: minimum of 150 mesh