The Corning Ceramic Substrates are developed for a variety of applications. It features honeycomb-like structures with thousands of parallel channels. The walls of these channels provide the surface for precious-metal catalysts that convert noxious emissions into carbon dioxide, nitrogen and water vapor. Some of it's distinguished features are High surface area, Low pressure drop, Rapid light-off, Thermal-mechanical durability, System cost efficiency. A truly cost effective option to meet the standards set by today's market. A definite must have for vehicle manufacturers to meet today's emission requirements. So acquire one now and experience quality, reliability and versatility only found with corning.