{"product_id":"top-fin-ef-s-aquarium-filter-cartridges-12-pack-activated-carbon-2-1-x-3-7-in","title":"Top Fin EF-S Aquarium Filter Cartridges, 12-Pack, Activated Carbon, 2.1 x 3.7 in","description":"\u003cp\u003eTop Fin EF-S Element Filter Cartridge is a replacement aquarium filter cartridge designed to help remove unwanted substances from aquarium water.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eActivated carbon helps remove heavy metals, odors, pigments, and organic waste.\u003c\/li\u003e\n\u003cli\u003eMade for Top Fin BFS Bettaflo Filters and desktop aquariums with Element Filters.\u003c\/li\u003e\n\u003cli\u003eIncludes 12 cartridges and is presented as a 12-month supply.\u003c\/li\u003e\n\u003cli\u003eEach cartridge measures 2.1 in L x 3.7 in W (5.3 x 9.3 cm).\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis 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.\u003c\/p\u003e\u003ch3\u003eWhat does the Top Fin EF-S Element Filter Cartridge help remove?\u003c\/h3\u003e\u003cp\u003eIts 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.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFilter material: carbon.\u003c\/li\u003e\n\u003cli\u003eDesigned as an Element Filter cartridge refill.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhich filters and aquariums is this cartridge for?\u003c\/h3\u003e\u003cp\u003eIt 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.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible filter families: Top Fin BFS Bettaflo and Element Filters.\u003c\/li\u003e\n\u003cli\u003eUse the given length and width when comparing cartridge size.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow many cartridges come in the value pack?\u003c\/h3\u003e\u003cp\u003eThe 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.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePack quantity: 12 cartridges.\u003c\/li\u003e\n\u003cli\u003eSupply description: 12 months.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis 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.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which filters does the Top Fin EF-S Element Filter Cartridge fit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The Top Fin EF-S Element Filter Cartridge is a refill for Top Fin BFS Bettaflo Filters and desktop aquariums with Element Filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How many cartridges are included in the Top Fin EF-S Element Filter Cartridge value pack?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The Top Fin EF-S Element Filter Cartridge value pack contains 12 cartridges and is identified as a 12-month supply.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Top Fin","offers":[{"title":"Default Title","offer_id":55666579505495,"sku":"B0881CND61","price":35.59,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1056\/4780\/0663\/files\/top-fin-ef-s-element-filter-cartridge-front.jpg?v=1793371857","url":"https:\/\/bathpetsupplies.co.uk\/products\/top-fin-ef-s-aquarium-filter-cartridges-12-pack-activated-carbon-2-1-x-3-7-in","provider":"BathPetSupplies","version":"1.0","type":"link"}