Master Plumber, White, Plastic, Drain Reducing Adapter, Connects 1-1/2" O.D. Tube To 1-1/4" O.D. Tube, 1-1/4" End Inserts Into Wall Or Floor Drain Pipe, 1-1/2" End Fits Standard Brass Or Plastic Tubular Size, Includes Nut & Washers, Carded.