Mueller 133-110 4-1/4" Flange General Purpose DrainsMueller 133-110 4-1/4" 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;2" x 3", 4-1/4" flange diameter;* Image shown may vary by color, finish, or material