Pentair 540021 White Directional Eyeball with 3/4-Inch Opening and 1-1/2-Inch MIP Thread Replacement, Pool Wall Fittings 3/4-inch opening with 1-1/2-inch threaded directional eyeball replacement Fits Pentair pool and spa wall fittings Available in white color Measures 16-1/2-inch length by 8-1/2-inch height by 14-1/2-inch width Sold Individually