Top Fin EF-S Aquarium Filter Cartridges, 12-Pack, Activated Carbon, 2.1 x 3.7 in

Top Fin EF-S Element Filter Cartridge is a replacement aquarium filter cartridge designed to help remove unwanted substances from aquarium water.

• Activated carbon helps remove heavy metals, odors, pigments, and organic waste.
• Made for Top Fin BFS Bettaflo Filters and desktop aquariums with Element Filters.
• Includes 12 cartridges and is presented as a 12-month supply.
• Each cartridge measures 2.1 in L x 3.7 in W (5.3 x 9.3 cm).

This refill is for aquarium owners who use an Element Filter and want a cartridge that helps address several types of unwanted material in the water. Its intended use is specific: it fits the named Top Fin filter systems, rather than serving as a general-purpose cartridge for every aquarium filter. The 12-count pack provides a supply of replacement cartridges for ongoing filter upkeep.

What does the Top Fin EF-S Element Filter Cartridge help remove?

Its activated carbon helps remove heavy metals, odors, pigments, and organic waste. This makes the cartridge a practical choice for aquarium filtration when you want one refill to address these listed types of unwanted material. The cartridge is made from carbon, with activated carbon as the filtration feature identified for its intended function.

• Filter material: carbon.
• Designed as an Element Filter cartridge refill.

Which filters and aquariums is this cartridge for?

It is a refill for Top Fin BFS Bettaflo Filters and desktop aquariums with Element Filters. Confirm that your setup uses one of these compatible filter types before choosing a replacement. The cartridge’s stated dimensions can also help you compare its size with the element space in your filter.

• Compatible filter families: Top Fin BFS Bettaflo and Element Filters.
• Use the given length and width when comparing cartridge size.

How many cartridges come in the value pack?

The pack contains 12 cartridges and is identified as a 12-month supply. It gives aquarium owners multiple refills in one pack; the product information does not specify a replacement schedule, so the stated supply period does not define how often an individual cartridge should be changed.

• Pack quantity: 12 cartridges.
• Supply description: 12 months.

This cartridge is best suited to aquarium owners with a compatible Top Fin filter who want an activated-carbon refill for addressing heavy metals, odors, pigments, and organic waste. Its named filter compatibility, carbon construction, and 12-cartridge pack define what it is designed to provide.