Penguin Power Filter BIO-Wheel Parts BIO-Wheel Bearings, 2pk - 9

Replacement BIO-Wheel Assembly and Bearings for Penguin power filters. These parts fit the new Penguin power filter models.BIO-Wheel Bearings (mfg# PR 1910B) These plastic bearings allow secure and proper rotation of the BIO-Wheel Assembly. For Penguin Power Filter Models PF99B, PF125B, PF170B, and PF330B. Package of 2.BIO-Wheel Assembly The BIO-Wheel Assembly should be replaced only when damaged. The BIO-Wheel assembly houses beneficial bacteria necessary for efficient biological filtration in your aquarium. Unnecessary removal or replacement of the BIO-Wheel Assembly may compromise biological filtration in your aquarium. BIO-Wheel Assemblies available for Penguin Power Filter Models PF100B, PF150B, PF200B, and PF350B.Impeller Assembly Over time, natural wear of the impeller may reduce filter performance. Replace the impeller to ensure reliable performance. Replacement Impeller Assemblies are available for Penguin Power Filter Models PF100B, PF150B, PF200B, and PF350B.