Easy access 6 flange for quick desiccant changes Moisture Indicator lets you know when to change desiccant cartridge Wall Mounting Brackets - sturdy steel brackets for easy installation Desiccant Cartridge - Special CAMAIR desiccant cartridge 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