150mm Square Polished Stainless Steel Tile with removable Grid and Securing Screws. Tile has ABS Spigot Adaptor for solvent welding to Clamp Ring Please Note: Can also be used as a Conversion Kit to convert any Gully with a 150mm White Plastic Tile to a gully with a 150mm Square Stainless Steel Tile with removable Grid and Securing Screws. Conversion Kits enable all Gullies except MD100, MD100-3 and FD90 to be converted for different floor finishes