drip tape with double blue line 1. Save water, fertilizer, and labour. 2. Material PE. 4.Diameter: 16mm, 5.Wall thicknes: 0 drip tape with double blue lineIrrigationSpec.Name: blue line belt,drip tape,blue line drip tape,blue twin track driptape,drip line Material:PE Dia.: 12mm,16mm Wall thickness:0.15-0.5mm Working Pressure: 0.4-2.0bar Flow rate: 0.67-4.0L/H Spacing:10-50cm or according to ...