biOrb 46037.0 Air Pump 12 V AquariumsOase design products which make fishkeeping accessible and enjoyable to all. We will always strive to create the most stylish, aesthetically pleasing aquariums which are low maintenance and provide healthy environments for fish. Filter cartridge a true one size fits all Filter for the biorb aquariums Constructed out of Acrylic 10 times stronger than glass, 50% lighter and 93% clearer True 5 stage filtration biological, mechanical, chemical, water