The Sullair ShopTek ST4–ST15 rotary screw air compressors redefine industry standards for continuous duty compressors in the 5 to 20 HP range. Designed with the end customer in mind, ShopTek compressors feature a small footprint and are built to provide exceptional reliability and extremely low maintenance. All ShopTek air compressors come standard with: legendary Sullair air end, 10,000 hour Genuine Sullube® factory fill and 5-year Emerald Warranty — providing coverage on major components including the air end; air/fluid receiver main drive motor; fluid cooler; and aftercooler *with a start up and service done by an authorized Sullair distributor.