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Maintain a proper seal around the impeller chamber of your Fluval canister filter with the Fluval Impeller Seal Ring 303/403. This genuine Fluval replacement seal is designed for the Fluval 303 and 403 External Canister Filters.
The seal ring sits around the impeller chamber cover and helps maintain a secure seal within the filter assembly. It is a suitable replacement when the original seal becomes worn or needs to be replaced during routine filter maintenance. Fluval's parts documentation identifies A15830 as the sealing ring for the impeller chamber cover on the 303 and 403 filters.
