Blue MDPE 12.5bar pipe is WRC approved and conforms to BS 6572 SPEC S.D.R11. Suitable for potable water supplies. Description Blue MDPE 12.5bar pipe is WRC approved and conforms to BS 6572 SPEC S.D.R11. Suitable for potable water supplies. Reviews & Ratings No reviews have been written yet, be the first. Write a Review