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Designed for use with Fluval Flex 2.0 aquariums, the Flex 2.0 Poly-Carb Cartridge provides effective 2-in-1 mechanical and chemical filtration for crystal clear water. Compatibility Flex 2.0 Aquarium Kit, 9 US Gal / 34 L Flex 2.0 Aquarium Kit, 15 US Gal / 57 L
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🇺🇸 Ship from USA · On Agora since 2026
$12.99