Honeycomb monoliths with their high achievable surface areas per unit volume are utilized in catalyst carriers, active catalysis and air flow distributors, also used for heat exchanger processes, electro-chemical applications and carrier bodies for biological applications and still utilized in catalytic converters for purifying vehicle exhaust gas, reducing carbon monoxide, smog ect. In addition to the listed standard geometries and materials of construction honeycomb monoliths are also available in other ceramic materials of construction and geometrical configurations.