A 3-gallon sized air compressor is lightweight and compact. This permits their easy move from one task to another. It can depend on factors such as duty cycle, CFM, power, and PSI ratings. They are used for inflation in less potential models. They can inflate tires, balls, air mattresses, and other items. For higher potential models, it can be used to power various pneumatic light-duty tools. They can power brand nailers, airbrushing DIY applications, and power floor.