12pcs RF-S Filter Cartridges Compatible with Top Fin,Replacement Cartridges for Desktop Aquariums with Small Retreat Filters

【Small Filter Cartridge for Top Fin RF-S Filter】12 Counts RF-S Filters Cartridges Replacement, Unit Size: 8.1*1.9 inches. This aquarium filter cartridge is compatible with Desktop Aquariums with Small Retreat Filters.
【High efficiency fish tank filters】The filter cartridges is made of high density cotton + 50% more nutshell activated carbon + zeolite,Offer triple water filtration effect that effectively fiton-anoabsorb 99% of the impurities.RF-S Filte Cartridge filters out the impurities in the water in the most gentle way, which can effectively filter and absorb impurities in the water to keep the clean water source and provide the healthy growth environment for fish.
【Efficacy of Zeolite】It can adsorb harmful components in the water. Effectively balance the PH value of the water body to achieve a stable water state. Zeolite can improve the fertilization efficiency of aquatic plants, make your aquatic plants,live more comfortable and more health.
【Quick Installation】 Turn off and remove the used cartridge and flush the new cartridge under cool clean water or water of aquarium to remove dust. After rinsing, insert the cartridge into the flushing chamber and make sure the filter cartridge fits completely into the chamber.
【After-Sales Service】We recommend that you replace the filters every 2-4 weeks to maintain water quality. We are professional in the field of Aquarium Filter Cartridges, if you have any problems, please feel free to contact us.

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