Bette Air 1 shower tile dimensions: 900 x 900 mm Rectangular edge height: 10 mm Drain hole diameter: 200 mm Corner radius: 5 mm Installation variant: floor level Material: glazed titanium steel with a non-porous surface For installation, we recommend the Universal installation system, with an adjustment range of 67 - 205 mm (to be ordered separately). For a side length of 1000 mm, we recommend using a support foot set BetteAir B57-0406 (to be ordered separately) including sound-reducing separating foil.