The Pentair 51006100 sight glass gasket is designed for compatible sight glass applications and measures approximately 2 inches inside diameter by 2-1/2 inches outside diameter. A gasket like this is useful because it helps create the seal needed around the sight glass connection, supporting cleaner assembly integrity.Replacement is often recommended when the original gasket is flattened, brittle, torn, leaking, or damaged during disassembly. Installing a fresh gasket can help restore the seal and improve confidence in the condition of the sight glass assembly.This OEM Pentair gasket is a practical service part for compatible filter systems that need the right sealing component at the sight glass location. OEM Pentair sight glass gasket Approximate size 2 inch ID by 2-1/2 inch OD Fits compatible sight glass applications Useful when the original gasket is worn or leaking Supports cleaner and more dependable sealing performance
![Pentair Sight Glass Gasket [2" ID, 2-1/2" OD] (51006100)](https://cdn.shopify.com/s/files/1/1751/9347/products/27-110-1003_xl.jpg?v=1486194423&width=480)
