Description
The API pre-filtration foams are designed to replace the existing mechanical filtration foams in the Rena Nexx external filter.
With a rating of 30 ppi, pores per inch, the foam pads are the ideal thickness for filtering small particles that can reduce the effectiveness of chemical and biological filtration.
Each pack contains 2 pads that are designed to last for 3 months with minimal maintanence.
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