The CALIFORNIA AIR TOOLS 6010LFC Ultra Quiet & Oil-Free Industrial Air Compressor is designed to be one of the quietest air compressors in the industry having only 60 decibels of sound. The powerful 1.0 HP motor (MP100LF) operates at only 1400 RPM creating less noise and less wear. The MP100LF motor/pump is tested for a minimum life of 4000 hours before wear, 30% longer than the MP100 motor/pump. The Oil-Free Dual Piston Pump System is engineered for high performance and durability. The Dual Piston Pump System produces 25% more air compared to other 1.0 HP air compressor motors. The 6.0 Gallon Steel Air Tank is Lightweight (54 lbs.) is very easy to transport. This air compressor is ideal for anyone working inside where noise is a major issue.