Metal tower packings Material: SS304, SS316, 316L, Carbon Steel... Size: 16mm, 25mm 38mm 50mm ... *1.022911606297.1The above data is reference to material stainless steel (AISI304) in the material thickness shown. Other wall thicknesses are available ... on request. Material available: carbon steel, stainless steel including 304, 304L, 410,316, ...