Description: Manufactures the ClearDrain system, a complete replacement for air dryers for oil rigs and heavy equipment. ClearDrain is a dessicant-free system, self-cleaning, self-defrosting and self-lubricating. Temperature range is -100°F to 185°F. Has been installed on HRI (k/n/a Loadcraft) mobile oil rigs since 1996. Installations worldwide. Six year unlimited hour product warranty.