Products Thermomat | Saniline | Shower corner Shower boxes Shower box mm 800x800 for floor edged shower trays – height: 1000 mm. Shower box mm 900x900 for floor edged shower trays – height: mm 1000 Corner shower box with double opening, double side and central shutter 800x800 mm. Corner shower box with double opening, double side and central shutter 900x900 mm. Corner shower box with one fi xed wall and one opening with double shutter Dimensions: 800x800 mm. Corner shower box with one fi xed wall and one opening with double shutter Dimensions: 900x900 mm.