Balston Membrane Air Dryers combine superior coalescing technology with a proven innovative membrane system to supply clean, dry compressed air with dewpoints as low as -40°F(-40°C), and provide low cost operation with minimal maintenance. Balston Membrane Air Dryers are engineered for easy installation, operation, and long term reliability. Applications include low dewpoint instrument air, pneumatic equipment, pressurizing electrical cabinets, analytical instrumentation, instrument air for analyzer buildings, dry air for hazardous areas, and general laboratory air supply.