AQUAELs ASAP internal filters combine efficient mechanical and biological filtration with easy maintenance. Featuring an energy-saving motor and a large sponge cartridge, they clean and purify water effectively. The sponge is easy to rinse, and cartridge replacement is quick. Ideal for aquariums and aquaterrariums, they operate in shallow water from 5 cm and oxygenate the tank. Available in 300, 500, and 700 l/h models for tanks up to 250L.