Metal pall ring Material: Stainless steel, carbon steel Size: 5/8", 1", 1.5", 2", 3", 4" ... Various sizes available Metal Pall Ring:Carbon Steel pall ring, CS pall ring, Carbon Steel pall ring, Stainless steel pall ring ... desulfurization system and so on.Materials: stainless steels, carbon steels, aluminum, copper, bronze and aluminum permeated steels, etc.Technical data of metal pall ring ...