- Foam Block Filters fit Fluval FX4, FX5 & FX6. Filters are essential for a premium aquarium. Helps keep your tank free of dust, with frequent filter replacement. Prevents premature clogging and enhances biological filtration.
- Clean & Healthy Lifestyle: Replacing Fluval filters should help clean with premium filtration for healthier fish. The filter cartridge floss screens out dirt and debris.
- Simple & Easy to Install: Switch out in less than five (5) minutes, providing time efficiency. Get back to daily activity quickly and make a big difference with filtration in the process. Simply remove the older and dirty filter and replace it.
- Long-lasting replacement filters. Replace the Fluval pad every 2 to 4 weeks for optimal performance or twelve (12) to twenty-four (24) times per year depending upon usage.
- THINK CRUCIAL manufactures premium quality filters and stands behind the quality and workmanship of all our products. We maintain a thorough quality control process to ensure compatibility with the models listed above.
Fits the following Fluval models:
- FX4
- FX5
- FX6