... ,20mm/0,30mm/0,63mm Diameters:16mm/20mm Dripper DistanceExternal DiameterInternal DiameterThicknessVolume of FlowDripper DistancePackage20cm16,40mm16,00mm0, ... Meter50cm16,40mm16,00mm0,20mm1,6lt/H177 Meter2000 Meter Dripper DistanceExternal DiameterInternal DiameterThicknessVolume of FlowDripper DistancePackage20cm16,50mm15,90mm0, ... ,34mm0,63mm1,6lt/H265 Meter400Meter.. Irrigation Dripper Plastic Pipe