... and it is an industry standard design media. PXZT stainless steel pall ring with competitive price is your best choice. We also ... Other wall thicknesses are available on request.Material available: carbon steel, stainless steel including 304, 304L, 410,316, 316L etc.Advantage:1) ... , Aeration, Degassing, Desorption, Distillation, Stripping, Heat Recovery, Extraction etc. Stainless steel pall ring