Underwater-Windows 4.2112.04.00 · Protection class IP68 – up to 3m water depth · Entirely made of stainless steel 316Ti 1.4571 · round cover, height 5 or 17 mm · Sturdy marine grade 316Ti stainless steel construction with toughened safety glass · Sealed via special silicon seals · Varying glass thickness according to the size of the window · For swimming pools with walkaround or surrounding shaft · Wall installation possible in all standard pool types 02.01.2019