California Air Tools CAT-4610AC Ultra Quiet & Oil-Free 1.0 hp 4.6 gallon Aluminum Twin Tank Electric Portable Air Compressor, Silver Ultra Quiet only 60 Decibels Oil-Free Pump for Less Maintenance & Costs 4.6 Gallon (Rust Free) Aluminum Twin Tank Powerful 1.0 HP (Rated / Running) 2.0 HP (Peak) Motor 3.10 cfm @ 40 psi - 2.20 cfm @ 90 psi