SUPER QUIET! Virtually Silent Air Compressor Where low, or very low noise levels are desired then this virtually silent in operation air compressor is an absolutely ideal choice! And it also offers high performance and plus portability too. All these great features means the 'Shhh Air 50/9' is a particularly suitable Air Compressor for use in places such as offices, shops, studios, laboratories, surgeries and small workshops where noise is either unacceptable or an annoying distraction.