... .31mm, 0.35mm, 0.40mm, and 0.50mm thick.Outer tank:Aluminum zinc painted steel (silver, white), strong and ... 31mm, 0.35mm, 0.40mm and 0.50mm thick.Capacity: 90/108/120/135/144/162/180/216 ... .Vacuum tube:3.3 high borosilicate glass, 1.6mm thick absorption coating, Ø47mm or Ø58mm and length 1500or ... 0.31mm, 0.55mm, 0.88mm, 1.10mm thick.Fasteners:Stainless steel screws.Seal: Imported silicone rubber polymer ...