50mm water seal, Channels water to waste to pevent delamination of tiles, Choice of stainless steel grid or tiled, even after tiling has been completed, Height adjustable, Perfect finish: stainless steel grid and frame to prevet corrosion, Reversible finish grid: Brushed stainless steel or tile finish, Self contained through with trap: Direct access to trap from above, Suitable for tile depth between 8mm & 16mm, Supplied with waterproofing sheet: secured by adhesion and screws to ensure a watertight seal, Ultra high flow rate: up to to 79L/min (under 20mm of water)