Our small linear aerators are good for small ponds, fish holding tanks, bait tanks or large fish aquariums. These aerators can provide years of continuous aeration. If you need a larger aerator, we have a large variety of aerators for medium and large ponds and aeration systems for large lakes. For these larger aerators you can save money by buying one of our aeration kits or if you need individual parts, we sell individual air compressors (rotary vane, diaphragm, linear compressors), air tubing (both weighted and poly tubing) and different types of air diffusers or commonly called, air bubblers. As always, if you need help figuring out what type of aerator you need, please allow us to help you. Aeration is super important to a healthy pond and they're very easy to install.