Drain Grate Cover for Jackoboard Aqua Flat Shower Tray BoardHorizontal Drain Kit with Stainless Steel Grate Cover for Jackoboard Aqua Flat Shower Tray Board Specifically designed for the Jackoboard Horizontal Drain Kit, these drain grate covers fit perfectly in place offering a stylish alternative to the one that comes with the drain kit. Note: The Nova drain grate cover is designed so you can insert a tile into it, ideal when you plan to tile onto the shower tray base, so both the area surrounding the drain