Nepro Flow Guard pipes with red stripe are manufactured by the National Factory for the plastic pipes & fittings (NEPRO) in Jeddah, Saudi Arabia. Nepro started the production of PVC pipes in 1969.

The production of Nepro Flow Guard pipes being licensed by BF Goodrich, the world wide pioneer producers in USA for the CPVC raw material, Flow Guard is trade mark of BF Goodrich co. Nepro Flow Guard pipes & fittings are produced and testing according to ASTM F441, F439 & F437.  However the test required for the Flow Guard trade mark are more severe than those specified in ASTM standards. Such process gives the CPVC pipes optimum control quality.