Pentair 154685 1/2-Inch NPT Sand Drain Spigot Replacement Pool and Spa Filter Spigot NPT sand drain replacement Fits Pentair Tagelus, Triton II pool and spa filter models TR 140, TR 50, TR 60, TR 100, TA 40D, TA 50D, TA 60D, TA 100D Measures 8-inch length by 2-1/2-inch height by 7-inch width