Filters Cartridges for Top Fin Cartridges, 8 Packs EF-S Fish Tank Filters, Aquarium Replacement Filter Cartridges (3.7in Lx2.1in W)

EF-S Replacement Filter Cartridges: This Filter Cartridge is suitable for Top Fin Bf5 Bettaflo Filter. (Dimensions: 3.7 In L X 2.1 In W) With this Aquarium Filter Cartridge, you can always maintain healthy water quality.
Excellent Filtration Performance: The filter cartridges is made of hight quality Cotton and Activated carbon which can filter and absorb harmful bacteria and debris from fish and plants, so as to keep the water source clean and the healthy growth of fish.
Replace Filter Element Regular: It Contains 8 Pack Aquarium Filter Cottons, which you can change every 2-4 Weeks. Research shows that after 2-4 weeks of filtration and absorption, the filter cotton will fully absorb and filter the impurities in the aquarium, so you need to replace it with a new one to keep the water source healthy and clean at all time.
Easy to Install: Just remove used cartridge and replace the new filter cartridge. The whole installation process does not take more than five minutes, don't worry about affecting your fish and other creatures. (Please be sure to rinse the new Filter cartridge under cool water before use)
We always maintain a thorough quality control process to ensure the filtration capacity of this filter cartridge, as well as the perfect compatibility with filters. If you have any problem, please feel free to contact us!

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