Finnex PF-7 Nano Aquarium HOB Power Filter, 52 GPH, up to 7.5 Gallon Aquariums

52 GPH! Excellent for aquariums upto 7. 5 gallons, BIO, Mechanical, and Chemical Filtration in 1, Filter cartridge and pre filter sponge included, Flow Control Knob for smaller fish, Included Components: Filter, Bio Sponge, Carbon Cartridge, Pre Filter