... drop 3.Light weight,easy to load and upload Plastic Pall Ring Plastic Pall Ring has good corrosion,large void ratio,low pressure drop ... using used for washing,dusting and absorption at low temperature.Material:PE,PP,PVC,CPVC,PVDF etcSpecification NameSpecification mmD×H×Smm ... .8902205050×50×1.5610074930.901277676×76×2.619307172.20.9294 Plastic Pall Ring, Plastic Random Packing