The Waterway 400-9170B wall fitting is designed for compatible return applications using a 2-3/8 inch hole size, a 1-1/2 inch female pipe thread connection, and a 3-1/2 inch face diameter in white. This fitting is useful where a classic threaded wall fitting is needed with a broader visible face that helps create a more finished installation.The white finish keeps the return area bright and traditional in appearance, making it a natural fit for many pools and spas. Replacing the wall fitting with the correct Waterway part can restore both the plumbing connection and the cleaner visual presence of the return point.For compatible wall fitting replacement and repair work, this Waterway component is a practical choice when a threaded white fitting with a larger finished face is needed. Waterway wall fitting 2-3/8 inch hole size with 1-1/2 inch female pipe thread connection 3-1/2 inch face diameter White finish Helps restore a clean and complete return-point installation