- Bio-foam screens out both dirt and debris and supports the growth of beneficial bacteria.
- Prefilter enhances mechanical filtration to help protect fry.
- Compatible with Marineland Penguin Pro 375 and Emperor Pro 450 Filters (each sold separately).
- Rinse foam monthly or as often as needed in your established aquarium to protect good bacteria.
- Two-in-one design works to improve mechanical and biological filtration for a clearer, healthier tank.
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