Aquarium AerationProper aeration is important for your fish. There are many different uses for air pumps, including: running air-driven protein skimmers, ozonizers, sponge filters (especially useful in quarantine aquariums) and adding bubbles to an aquarium via an air stone. Battery-operated air pumps are also available to help keep your aquarium oxygenated during a power failure.
Two Little Fishies` Micro Ball Valves Micro fittings for regulating air flow through standard airline tubing for devices such as air-stones, filters, protein skimmers, ornaments, etc. Also for low pressure liquid feed lines for...ONLY$2.49