Brand Ref (13072404212) - Adapter for glass connector for tube 42,4mm stainless steel AISI 304 satined, Brand Ref (13072404812) - Adapter for glass connector for tube 48,3mm st. steel AISI 304 satined, Brand Ref (13072400012) - Adapter for glass connector flat, AISI 304 satined, Material:304 Grade (V2A) Stainless Steel, Finish:Satin Stainless