Manufactures the ClearDrain System - eliminates air dryers on vehicles & equipment. US made. Weighs 7.2 lbs installed. Temperatures range from -100F to +185F. All components are stainless and brass. Electronics are solid-state. System is self-cleaning, self-defrosting and self-lubricating. Desiccant free. (5) year unlimited hours/mileage, non-prorated product warranty.