Watco Manufacturing 601-PP-ABS-CP, Chrome Plated Strainer body and drain elbow thread size: 1-1/2-inch - 11-1/2 npsm (course thread), 1.865-Inch outside thread diameter, 11.5 threads per inch Solvent-weld assembly Designed for heavy-duty use in hotels, motels, and rental property Replaceable, drip-proof buna-n-seal Does not include tee or pipe