Again GMC continues to reinvent old products.   

The New GMC SYCLONE 6310 and 4610 Air Compressors are Ultra Quiet & Oil-Free. These New innovative features allows you to use an air compressor in areas were noise is a major issues. At only 60 decibels these are the quietest air compressors in the industry. Not only quiet but Oil-Free for better and cleaner tools operation. Combined these great features with a life cycle of 3000 hours (compared to other air compressor with a life cycle of 500 hours)  these are truly innovative products by GMC.