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(1) 517 Saltwater Mechanical Seal
Measures 13" long
fountains and bays
elodea/hydrilla
Poultry By-Product Meal
Pool Care Cover-Care Pool Cover Pump Replacement Impeller Firestone (1) 517 Saltwater Mechanical SealThese replacement impellers fit the 300gph Pool Care Cover Care Magnetic Drive Pool Cover Pump. Part #: 21555 UPC: 025033215559 Manufacturing impellers often includes trimming on a lathe to achieve balance and or testing to ensure quality. Consequently, many new impellers appear used. Our impellers are brand new; any wear is due to the manufacturing process. TIP: When changing an impeller, a frequent reason for problems is mineral build up way down
