Your fish can enjoy a healthy environment and you can enjoy a more efficient water filter when you add this Fluval AquaClear Bio Max Filter Insert to your aquarium. By reducing the ammonia and nitrite levels in the water and encouraging the growth of healthy bacteria, the insert helps your AquaClear 20 Power Filter keep your aquarium water clean and safe.
Features: Works with AquaClear 20 Power Filters to provide efficient biological filtrationHelps promote beneficial bacteria growth and reduce ammonia and nitrate levelsSupports a healthy environment for your fishSafe for fresh and saltwater use
Intended For: 4.8-20 gal.(18 â 76 L) Aquariums