The white outer layer helps deflect light and keep temperatures cooler inside of the tubing, the opaque black inner layer blocks all light which prevents algae buildup in the tubing and helps to keep your system clean.
BPA and Lead free Polyethylene.
The 16-17mm Double Layered Tubing connects to all of our 16-17mm Pipe Fittings and serves as a manifold for all of the FloraFlex Micro Dripper Assembly units.