Drip Line 1.Diameter,6,12,16mm 2.Wall Thickness,0. ... 85-3.L/H Drip LineDrip Tape with Double Blue Line-The world leading drip tapeDiameter:6mm,12mm,16mmWall thickness:0 ... up under pressure5.There are sufficient filter holes in the inlet section and long pressure controlling section, making it anti-block ... thus it’s competitive in price.8.The unique blue line makes it easy to recognize on installation.