A regenerative desiccant compressed air dryer from Grainger can help you provide clean, dry air to your air compressor. A regenerative desiccant air dryer uses two cylinders containing desiccant, so that one can be used to take water vapor from the air while the other is being regenerated. Choose from this high-quality Grainger selection of regenerative desiccant compressed air dryers to find the dryer that can meet your specifications. Shop now!