Square shower drain kits available here are 150 x 150 mm large. McAlpine waste trap, grate (6 available cover patterns) and sealing membrane is included to each of them. Designed for installation in concrete or timber wet room floor. They look best when the floor is finished with tiles, however they can also be used with a mosaic or stone finish. Floor finish material musn't be thicker than 15 mm, because the are surrounded by stainless steel flange which limits maximum height of the material.