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. Refrigerated air dryer cools compressed air and condenses water for removal from compressed air system. All ShopTek air compressors come standard with: legendary Sullair air end 10,000 hour Genuine Sullube® factory fill 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.