https://www.aquatic-connections.com/product-page-1/penn-plax-cascade-cif3f-600-internal-filter-replacement-impeller-part-cif3fe
Penn-Plax Cascade CIF3/600 Internal Filter Replacement Impeller Part# CIF3F-E | 7 Aquatic...
Penn-Plax Cascade CIF3/600 Internal Filter Replacement Impeller Part# CIF3F-E Fits- Cascade CIF3/600 Internal Filter