Tetra CF Carbon Medium Filter for All External Aquarium Filters,Black

Thanks to the use of the Tetra CF carbon filter material, harmful substances are bound from the aquarium water Filter systems ensure fish and plant-appropriate water quality in the aquarium Specially designed for the Tetra aquarium external filter EX 400 / EX 500 / EX 600 / EX 700 / EX 800 / EX 1000 Plus