- Removes coarse debris and solid wastes before they enter chemical and biological filtration chambers.
- Can be rinsed and re-used many times
- Open-cell design permits free flow of water
- 20 ppi - pores per inch
- Directions for use in Rena FilStar Filters:
- Place Foam20 in the lowest part of the bottom basket in the FilStar Canister Power Filter.
- Rinse Foam20 thoroughly under running water every 2 to 4 weeks or as needed to maintain good flow through the filter.
- Replace after several months of use to maintain efficient aquarium filtration.
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