Aladdin O-419 O-Ring is a replacement filter lid and pump housing O-ring used on select Pentair Challenger and WaterFall pump applications as well as Swimquip Posi-Flo II separation tank lid applications. It is used to restore a proper seal at the housing or lid connection when the original O-ring is worn, flattened, or leaking.
Key Features: Round cut O-ring | Pump housing seal | Filter lid seal | Pentair and Swimquip fit
