Fluval AquaClear AC20 High Performance Filter 18-76L

About this item

• 4-stage filtration (2 x mechanical, chemical, biological) for excellent water purity and quality
• CycleGuard preserves the biological balance of your aquarium through a separate media change that avoids disruption of the nitrogen cycle and is essential for maintaining clean and healthy water
• The patented back filter system extends contact time with the media for a cleaner, healthier and more biologically stable aquarium
• ABS filter housing, ABS filter cap with black aesthetic insert
• Suitable for use in freshwater and saltwater aquariums