Replacing a worn-out or damaged impeller is an easy and effective way to fix a noisy, rattling filter or to restore optimal water circulation and flow in your tank.

• Compatibility: Fits the Fluval 4 Plus internal filter. 
• Item Number: Fluval Part #A15432. 
• Replacement steps: Always disconnect the filter from the power source first. Carefully remove the old impeller, inspect the rotor chamber and ceramic shaft for debris or cracks, and gently slide the new impeller into place.