Aqueon QuietFlow Filter Media Bio-Balls 60 Count

Aqueon QuietFlow Filter Media Bio-Balls can be used with various fish tank filters (hang-on-the-back, internal, canister, sump, etc.) to improve appearance and quality of aquarium water for fish

Features:

• Designed with large surface areas to promote beneficial bacteria growth
• For use with freshwater or saltwater applications
• Permanently bonded hose ends
• Can be used with various fish tank filters, including Aqueon QuietFlow Canister Filters.