PEX AL PEX 25MM X 2.5MM WRAS APPROVED MLCP 50M ROLL. The difference between Pex-Al-Pex pipe and EVOH Pert pipe and is that PEX Al be used in potable water applications and is form-stable. The aluminium core provides strength and importantly acts as an oxygen barrier to stop the ingress of oxygen into the system causing premature wear (corrosion) to the manifold.
