California Air Tools CAT-4620AC Ultra Quiet & Oil-Free 2.0 hp 4.0 gallon Aluminum Twin Tank Electric Portable Air Compressor, Silver Ultra Quiet only 70 Decibels Oil-Free Pump for Less Maintenance & Costs 4.6 Gallon (Rust Free) Aluminum Twin Tank Powerful 2.0 HP (Rated / Running) Motor 6.40 cfm @ 40 psi - 5.30 cfm @ 90 psi.Tank fill rate 60 Seconds