Schluter Systems Kerdi Shower Drain Kit ABS, PVC or Stainless Steel Flange, 4 Inch Grate. KERDI-Drain w/Integrated Bonding Flange w/2in Outlet, Stainless Steel, 4in Square Grate KD2/PVC/E. 4in (100 mm) square, fully adjustable grate. Accommodates 1/4in (6 mm) to 1-1/4in (32 mm) tile thicknesses. ABS, PVC or stainless steel flange, 2in (50mm) drain outlet. MPN: KD2/PVC/E. Grate Finish: Stainless Steel; Flange Type: PVC Flange. Warning: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm.