40Ft of Commercial Grade EZ Lay 5 Wrap Insulated 11/2″ NB PEX B Tubing With 12-2
1 Red Pex Line. 1 Blue Pex Line. Non-barrier tubing is simply PEX tubing without the oxygen barrier. For potable water applications, you will generally use non-barrier PEX. Oxygen barrier PEX is made for heating applications and has thus not been approved for plumbing and drinking water.