Jabsco 12 Blade Impeller. This impeller uses neoprene materials for water pumping applications. Nitrile material in impellers is used for pumping oils and any oily water. This item is model specific so check part number to ensure proper fit. Features of Jabsco 17370-0001-P 12 Blade Impeller Model specific check part number to ensure proper fit 12-blade replacement impeller Impeller inserts are brass or plastic Durable neoprene and nitrile construction Package Contents: Jabsco 17370-0001-P 12 Blade Impeller Jabsco 17370-0001-P: 12 Blade Impeller