Hang on Fluval AC110 Power Filter - Like new
(used for only 1 week, and then stored away as a spare filter).

*No Return*


Description'

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
All media included
Made in Italy
For use in freshwater and saltwater aquariums
Filters 500 GPH


The Fluval AC110 (part of the redesigned AquaClear Gen 2 line) is a 4-stage hang-on-back (HOB) aquarium power filter rated for tanks between 227 and 416 litres (60–110 US gallons).

Technical Specifications

• Aquarium Capacity: 227–416 L (60–110 US Gal)
• Max Flow Rate: 1,892 L/h (500 US GPH) with adjustable flow control (recirculates up to 50% of water at minimum flow)
• Power Consumption: 14 W
• Dimensions: 34.6 × 17.4 × 23.4 cm
• Max Rim Thickness: Fits aquarium rims up to 3.6 cm (1.4")
• Water Compatibility: Freshwater and saltwater aquariums
• Country of Origin: Made in Italy

4-Stage Filtration & Included Media

All media is included in the box and housed in a reconfigured basket featuring Fluval's CycleGuard system (allowing independent media changes without disrupting beneficial bacteria):
• Stage 1 (Mechanical – Pre-filter): Inlet sponge strainer that blocks large debris and algae filaments from reaching the impeller.
• Stage 2 (Mechanical – Fine): High-porosity 30 PPI Bio-Foam sponge for trapping finer particles.
• Stage 3 (Chemical): Activated carbon insert for odour and discolouration removal (accessible directly from the top without removing the whole basket).
• Stage 4 (Biological): Porous BIOMAX ceramic rings to support nitrifying bacteria growth.
Full setup and maintenance details are available in the Fluval AC110 Instruction Manual, and product listings can be viewed via UK stockists like Aquaristikshop or Coolshop UK.
If you are planning a setup, let me know your tank volume and stocking type (e.g., heavily stocked cichlids, planted community, or turtles), and I can help confirm if the flow rate and media configuration suit your setup.