1,metallic Rectangle saddle ring 2,lowresistance,low pressure drop 3,great separating,effect cold 4,heat resistonce,long life metallic Rectangle saddle ring Materials:stainless steels,carbon steels,aluminium,copper,bronze,304L,316L and aluminium permeated steels,improved polypropylene,improved Nylon6,Nylon66,reinforce PBT etc.Applications:various separation,absorption and desorption equipment, ...