Bathroom Shower Drain Grate Waste Tile insert (Hidden tile) T Series Stainless – Drainsonline
Novalinea - 48 Inch Linear Shower Drain with Tile Insert Grate, Includes Hair Strainer and Leveling Feet, 2 Inch Center Outlet, 304 Stainless Steel - - Amazon.com
Tile Insert Floor Grate--Channel
32" Shower Drain with Tile Insert Stainless Steel Grate – Reln International