No room for a quality protein skimmer? Think again. The Eshopps Nano Skimmer has a small footprint of just 4 1/2" x 2 1/4" x 11 1/2" high that allows convenient placement in small spaces- perfect all-in-one nano aquarium systems. Easy-to-install in-sump skimmer is powered by the energy-efficient 6W Italian-made Sicce Micra venturi pump with needle-wheel impeller. A flurry of waste-removing bubbles is generated to help maintain cleaner, clearer saltwater aquariums. Eshopps Nano Skimmer features a magnetic mount that allows adjustable positioning for optimum placement. Removable collection cup for convenient disposal of collected waste materials. The Eshopps Nano Skimmer is recommended for marine aquariums between 10 and 35 gallons.