The SullairDSP Series Oil Free Rotary Screw Air Compressors are ideal for applications requiring completely oil free air, including pharmaceuticals, food and beverage manufacturing, electronics, high technology manufacturing, textile manufacturing, robotics, automotive and paint. Built on Hitachi engineering, the DSP Series is designed to supply oil free air reliably and efficiently. This series is certified under the ISO standard for Class 0 oil free air and offers units ranging from 30 to 300 hp at 125 psig. Key features include Wye-Delta or VSD starter, phase monitor, altitude capable to 9,000' and oversized motor options available for peak usage needs.