- Made for AquaClear 50 Filters - 20 to 50 gallon aquariums
- Performs mechanical filtration by trapping particles and debris as they pass through the insert
- Custom fit to prevent bypass
- Enhances biological filtration
- Good for freshwater & saltwater environments
These foam inserts are custom made for the AquaClear 50 Filter Systems (for 20 to 50 gallon tanks) and provide superior mechanical filtration by trapping particles and debris.