The Airmaxxx Pewter 400 Air Compressor comes with a 3-gallon air tank designed to fuel your projects for longer periods. This tank features a Drain switch, allowing you to release any excess air immediately when it's not in use. The pressure gauge ensures you keep track of the air's state, while the 150 psi on/180 psi off switch offers versatility and control over your air needs. The durable construction of the Airmaxxx Pewter 400 Air Compressor, comprising high-quality materials and a Pewter finish, makes it a reliable and aesthetically pleasing addition to your workshop.