Plastic pall ring 16, 25, 38, 50,76mm plastic pall ring PP, PE, PVDF, PVC, RPVC, RPP ... ×25×1.21750.902395350091Φ3838×38×1.41150.892201580071Φ5050×50×1.5930.90127650056Φ7676×76×2.6730.9294193060 16, 25 ... , 38, 50,76mm plastic pall ring (Material: PE, PP, RPP, PVC, CPVC ...