Power Filters Fish Tank Replacement Cartridges for Water Filtration (Large)
Pawfly 12 Count PF-L Filter Cartridges Refill for Top Fin Silenstream PF20 PF30 PF40 and PF75 Power Filters Fish Tank Replacement Cartridges for Water Filtration (Large)Ideal Replacement Cartridges: Size: 6 L x 4.5 W. The PF-L Cartridges Are Only Suitable for Top Fin Silenstream PF20, PF30, PF40 and PF75 Power Filters.Fine Carbon Filtration: Contain 3 times more activated carbon than other cartridges. Fully absorb and filter impurities or damaging substances to deodorize the water and reduce unhealthy gases.Further Cleaning: The outer layer is made of tender cotton with high-density fiber. The multi-layer cotton traps debris or waste without sucking up your fish, keeping water crystal clear and fresh.Reliable Material: The carbon is well wrapped in permeable bags inside. No leakage of powders or contamination of water. And the evenly distributed cotton won’t block the normal water flow.convenient to Use: Before use, rinse it with cool water to remove the outside dust