The CALAIR 60037BD Continuous Run 3.7 Hp Air Compressor is designed for CONTINUOUS RUNNING up to 8 hours at 90 PSI. The CALAIR 60037BD Air Compressor has a Pump System that is designed to have a life cycle before maintenance/service of 5,000 to 10,000 hours of usage. The large 60 gallon ASME Certified steel air tank is just the right size for a shop, warehouse or factory. Ideal for Air Brushing, Bolting, Brad Nailing, Cutting, Drilling, Grinding, Finish Nailing, Framing Nailing, HVLP Painting, Hobby Nailing, Hobby Painting, Inflation, Roof Nailing, Spraying, Stapling, Trim & Impacting/Wrenching. Designed for people looking for reliable air flow in commerical and semi-rugged environments.