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vegetable by-products
Oversized air intake silencer for quieter operation
all you need is a very small compartment for biological filtration
Water recirculates within the filter
cloudy or protruding eyes
Fluval U4 Aquarium Stage 2 Poly Carbon Cartridge (2 Pack) clearance vegetable by-productsThe Fluval Poly Carbon Cartridge has two sides that combine to provide thorough and effective chemical filtration, the crucial second stage in the filtration process. The polyester filter pad side filters out fine debris and contaminants. The carbon side filters out harmful liquid substances, colourants and odours. For freshwater, marine or reptile environments. Includes 2 Poly Carbon cartridges. For the Fluval U4 Underwater Filter.