30 metres of unmarked, non-Co-Extruded, Black 16mm Pipe30 metres of 16mm Co-Extruded Pipe with Metric Markings9mm Pipe 30m Roll9mm Pipe 1.5m Length30 metres of 9mm PipeA larger system, such as one with six or more pots (1Pot XL/XL SmartPot) or eight or more pots (1Pot/easy2grow), will require 16mm pipe.To attach the AQUAvalves, the pipe is downsized using either 16mm-9mm or 16-6mm fittings.The 9mm pipe is co-extruded for durability, and it comes with metric markings so you can easily gauge your order.A 9mm pipe has a larger external diameter of 9mm and a smaller interior diameter of 7mm. The pipe's material and design were selected to go well with the rest of the AutoPot line, to facilitate quick and simple connections, and to assure maximum water flow.
