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Product Details
- Designed for Fluval 306/307 & 406/407 filters
- Effectively removes and controls phosphate levels
- Traps floating particles (debris, excess food, and waste) for clear water
- Helps prevent algae outbreaks
- Custom fit for increased filtration efficiency
- Replace monthly or as needed after testing with a Fluval test kit
- Suitable for freshwater and saltwater aquariums