Schluter® KERDI-DRAIN Is a floor drain with an integrated bonding flange that provides a large contact area for a secure connection to the Schluter® KERDI waterproofing membranes and other bonded waterproofing membranes at the top of the assembly. Kerdi-Drain is appropriate for both mortar bed and Schluter KERDI-SHOWER-ST shower tray applications. KERDI-DRAIN features a fully adjustable grate (available in stainless steel and anodized aluminum in various finishes) that accommodates a wide range of tile thicknesses. The grate assembly allows lateral and tile adjustment as well.