The Slim S20 Power Filter’s unique design is compact and slim, thus reducing space behind your aquarium, The filter comes equipped with an adjustable flow control so you can control the water flow level in your tank, Ideal for use in aquariums up to 20 US gallon (75L). Includes 4 filter cartridges; 2 Bio-Carb and 2 Bio-Clear that contain Ceramitek, which is engineered to optimize biological filtration, for a healthy aquarium
