Thomas CompressorDesigned for a variety of OEM applications, including water processing and emergency vehicles, the Thomas 405 Series Compressor provides high performance in a compact design (6.74 inches x 4.25 inches x 5.3 inches). This versatile, oil-less, single-cylinder compressor features Thomas’ WOB-L design, stainless steel valves, lightweight die cast aluminum components and a thin wall hard-coated aluminum cylinder for maximum heat transfer. In addition, the 405 Series is available in both AC and DC models and is balanced for smooth, low-vibration operation. Pressure to 40 PSI (2.8 bar) for AC models, and to 100 PSI (6.9 bar) for DC models.