Pentair 262504 1-1/2-Inch Multiport Valve with Buttress Thread Replacement Tagelus Pool and Spa Sand Filter Multiport valve replacement Fits Pentair Tagelus pool and spa sand filter models TA40D, TA50D, TA60D, TA100D Comes with buttress thread Heavy-duty diverter; six-position, positive-lock operation Measures 1-1/2-Inch