The Pentair/Letro L79BL Cleaner Hose Gasket is a sealing component from Pentair/Letro designed to restore a tight seal. It is intended for pool, spa, bath, cleaner, heater, pump, plumbing, or equipment repair situations where matching the correct replacement part matters. Help prevent leaks, air intrusion, and pressure loss, especially when the existing component is worn, damaged, leaking, brittle, corroded, or no longer operating as expected. Match the part number and model reference to your existing equipment before ordering. This item is intended for service work where the existing seal is flattened, cracked, missing, or no longer holding pressure. Replacing the seal during repair can be just as important as replacing the larger part around it, because a poor seal can cause nuisance leaks, air draw, reduced efficiency, or premature wear on other components. Because many pool and spa parts look similar across model generations, compare this item against the original component, equipment label, manual, and connection style before completing the repair. This helps ensure the replacement supports the intended function and fits the surrounding assembly properly. Brand/manufacturer: Pentair/Letro Product category: Gaskets Designed for replacing or servicing the matching pentair/letro l79bl cleaner hose gasket Helps help prevent leaks, air intrusion, and pressure loss Confirm compatibility using the model details and part number LD10