Description Remove dirt, water, oil and uncondensed moisture from compressed air lines. The Dryaire Desiccant System?s 100% indicating silica gel provides maximum moisture absorption. It features easy desiccant change out, regenerate, or replacement (6765-1). This system maintains -40°F dew point while achieving 0% compressed air humidity. Stage 1 Air filter includes auto drain (overnight) and 5-micron filter Stage 2 Coalescer with auto drain (overnight) removes oil particles down to .01 micron Stage 3 Desiccant Housing, 30 cfm capacity Self-relieving air regulators, mounting bracket, and shut-off valve included * Premium beads are orange and turn clear when saturated.