An air pump for aquariums oxygenates the water, ensuring optimum levels for fish health. Without sufficient oxygen in the water, your fish will quickly become stressed. The PetMarket range of high quality air pumps for fish tanks includes single and twin outlet products which are quiet, energy-efficient and durable. Connect your pump to an air stone and produce a cascade of bubbles, as well as boosting oxygen retention. We also supply all those tube and valve accessories that are so essential to maintaining a healthy tank environment for your fish.