Aqueon QuietFlow Canister Filters are equipped with spacious media baskets, pre-filled with materials for all three filtration stages: Foam Pads for mechanical filtration, Carbon for chemical purification, and Bio-Balls along with Bio-Ceramic Rings for biological filtration. Suitable for both freshwater and saltwater tanks, the media can be customized to match any aquarium setup. Each unit offers various return options, including a standard Water Director, a Spray Bar, and an innovative hang-on-back Polishing Unit. This Polishing Unit supports a Large Aqueon Filter Cartridge for a final water polish before it re-enters the tank, making maintenance swift and simple. Available in three sizes for tanks up to 155 gallons, Aqueon QuietFlow Canister Filters are crafted by aquarium enthusiasts to meet the demands of hobbyists and their aquatic environments.

• Three-stage filtration system: biological, chemical, and mechanical
• Convenient access for easy upkeep with the included hang-on-back polishing unit
• Versatile water return choices to suit diverse aquarium setups: spray bar, water director, and polishing unit
• Water Polishing Unit compatible with Large Aqueon Replacement Filter Cartridges, recommended for monthly replacement
• Internal media care: replace carbon every 30 days, rinse or replace foam pad as necessary, and change white polishing pad when required
• Comes with quick-disconnect valves, pump locking heads, water intake/output connectors, hoses, polishing unit with cartridge, and filtration media: activated carbon, coarse foam, bio-balls, and bio-ceramic rings
• Designed for aquariums up to 55 gallons in capacity