CamAir CT30 Series Desiccant Air Dryer/Filter System Easy access 6” flange for quick desiccant changes. Moisture Indicator lets you know when to change desiccant . Wall Mounting Brackets - sturdy steel brackets for easy installation. Desiccant - Special CAMAIR desiccant removes oil, water & moisture vapor from your compressed air resulting in a dew point of -400F and relative humidity of less than 1/2”. First Stage Separator removes bulk water, dirt, and oil, which greatly extends desiccant life. Drain - All brass construction for long trouble free life 130500