Pentair Sta Rite 9000 Cleaner 24 foot Vacuum Hose (GW9525) paramount That kind of exact matching That kind of exact matching matters because the best wet end replacements preserve the original pump geometry and water path instead of forcing in a less precise solution Air buttons are useful because they allow a remote pneumatic switch action without placing direct electrical switching at the user contact point Replacement is often necessary when the original hose becomes cracked A hose like this is useful because it provides the suction pathway the cleaner depends on while also giving the reach needed for coverage across the pool