The FW Enterprises gasket is designed for compatible 8-hole light-niche applications where a dependable seal is needed between lighting components. A gasket is useful because it helps create a secure seal, supporting cleaner installation and helping reduce the chance of leaks around the niche assembly.This replacement is especially useful when the original gasket is flattened, cracked, brittle, worn, or leaking. Matching the correct 9-3/4 inch inside diameter by 11-1/2 inch outside diameter size helps preserve intended fit and dependable sealing performance.The SG300 is a practical service part when a compatible light niche needs a gasket to restore dependable sealing support. FW Enterprises light niche gasket Fits compatible 8-hole light niche applications 9-3/4 inch ID by 11-1/2 inch OD Useful when the original gasket is worn or leaking Supports cleaner and more dependable niche sealing