Material: Carbon Steel, Stainless steel Size: 5/8", 1", 1.5", 2", 3", 4" Application: Use as tower packing Size customized Metal Pall ... ring is made of material like Stainless Steel, Carbon Steel, Aluminum, Copper, Monel, Hastelloy, Ni, Ti, and so onTechnical data of metal pall ... .965501200370Φ100100×100×2.0350.955531200371 Metal pall ring (Carbon Steel, Stainless steel 304, 304L, 316, 316L, 410)