Characteristics of the Alcaplast DESIGN-550MN floor grid : Stainless steel grate with a grate width of 55 cm. Grate in full decor. In a matte design. Stainless steel. For shower drain ALCA 550: APZ6, APZ106, APZ1006, APZ1106, APZ16, APZ116, APZ1016, APZ1116.