Sobo aquarium internal filter wp-950f 1. The filter sponge absorbs dirt and clears the water. 2. Fully submersible and ideal for any aquarium filtration. 3. Suitable for both fresh and salt water. Type aquariums and accessories aquarium and accessory type water filter brand name Sobo model no wp-950f volts 220-240v freq 50/60hz power 6w flow 500 l/h max lift 0. 8M weight 280g product description filtration is the heart of an aquarium. Fish needs to be crystal clear water to stay in an aquarium healthy. Filtration can be biological, mechanical and chemical. Features the filter sponge absorbs dirt and clears the water. Fully submersible and ideal for any aquarium filtration. Suitable for both fresh and salt water. Completely submersible and, be fit for fresh water and sea water. Super quite, efficient energy economizing, easy to clean.