Check the listing for details. FLUVAL EVO - SPEC - FLEX REPLACEMENT CARBON - 3 PACK - A1377. Condition: New. Listed at 8.99 USD. FLUVAL EVO - SPEC - FLEX REPLACEMENT CARBON - 3 PACK - A1377 The Fluval Evo - Spec - Flex Replacement Carbon is a product specifically designed for Fluval Evo, Spec, and Flex Aquariums. It is a premium activated carbon that serves as stage 2 chemical filtration in your aquarium. The carbon used in this product is of research grade and has a large surface area, which allows for efficient adsorption of impurities. This replacement carbon is highly effective in removing various contaminants such as heavy metals, odors, discolorations, and pollutants from your aquarium water. By using this carbon, you can achieve crystal clear and sparkling water in your aquarium. The package includes 3 bags of activated carbon, ensuring you have an adequate supply for your filtration needs. We will pick best available way to ship Thank you, CountryFishGirl