WE-3357V is a type of air compressor manufactured by the Weisser Corporation. It is a single stage, direct drive, oil-free rotary vane air compressor. It has a pump rated at 4 hp and provides up to 11.2 cfm of air displacement. It is designed to be efficient, durable, and low maintenance. The WE-3357V has an aluminum head and cylinder, which are corrosion resistant and designed to handle high temperatures. The pump is also insulated to help reduce noise levels. The unit has an automatic offload and onload system, and a manual and automatic start system, making it easy to use. Its noise level is only 68 decibels, making it ideal for use in residential areas. The WE-3357V is UL and CE certified, making it a safe and reliable product.