LANGPAI Drainer Plastic Tubular 1-1/2-Inch Slip Joint Coupling Flexible And Extendable Drain Pipe Chrome Plastic Construction Includes 1 1/4 " washer for standard bathroom sink drains, pop up drains, push button drains, etc. 1-1/2-Inch O.D and 1-1/4-Inch slip fit joint connector Fits Standard Drain Assembly w/ & w/o Overflow Length - Minimum 13" to Maximum 28-1/3"