Brass Insert For PPR Fittings Size range:20,25,32,40,50,63mm or 1/2"-3" Supply to PPR fittings factories Brass Insert For PPR Fittings1) With 59 brass or ... , good quality and accepted by many PPR factories5) Brass Insert, Round Brass Knurled Insert, Brass Hexagonal Insert, Brass Square Inserts, Brass plastic Insert, Threaded Brass Insert Screw can be developed and supplied ...