- The Pre-filter Foam Set 30 ppi for the BioMaster 250, 350, or 600 includes 6 coarse replacement filter foams
- Customize your choice of filter foams to meet the needs of your aquarium
- Timing to replace the pre-filter foam set varies upon aquarium size and the number of fish and plants
The Pre-filter Foam Set 30 ppi for the BioMaster 250, 350, or 600 includes six coarse replacement filter foams. The combination of coarse and fine filter foams allows you to customize to meet the filtration needs of your aquarium. Timing to replace the pre-filter foam set varies upon aquarium size, number of fish and plants, and declines in filter performance.
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