Mueller 133-111 5-1/8" Flange General Purpose DrainsMueller 133-111 5-1/8" Flange General Purpose Drains Features:;For general drainage use in concrete, terrazo, and ceramic tile;Ideal for showers, floors, decks, patios and anywhere strainer adjustment and clamping are not required;Stainless steel grid;3" x 4", 5-1/8" flange diameter;* Image shown may vary by color, finish, or material