NSF-D200L  AQUA NOVA air operated internal sponge filters designed to provide biochemical filtration in aquarium. Excellent effect on dissolving oxygen in water and working very silently.   Sponge Filter designed with special pipe which can let the water in tank have a better circulation.For Aquarium up to 200L   Dimensions (W x H x D) cm: 8,5x23,5x8,5 cm download