The AC Series takes power filtration to the next level. Built on a best-selling platform with a 40-year reputation for exceptional quality, reliability, and convenience, this series has become a standout choice that aquarium enthusiasts know and trust. Along with its proven multi-stage cleaning, CycleGuard beneficial bacteria support, and patented refiltration system, the latest clip-on generation sets a new standard for cleaning performance, media efficiency, quiet operation, and durability. Experience the unmatched cleaning power of Fluval AC Series!
4-stage filtration (2 x mechanical, chemical, biological) for superior water clarity and quality
CycleGuard preserves the biological balance of your aquarium through independent media replacement, which avoids disrupting the nitrogen cycle and is essential for maintaining clean and healthy water
Patented refiltration system prolongs media contact time for a cleaner, healthier and more biologically stable aquarium
Basket design provides easy access to each filter media
Pre-filter intake strainer keeps algae filaments and debris away from pump for consistent water flow
High-porosity 20PPI mechanical foam for improved filtering capability
Adjustable flow control for precise adjustment
Quick and easy maintenance
Molded rim connection for easy installation and leveling