Custom Honeycomb Ceramic Substrate , 3 Way Catalytic Converter 1.Product use After coated with catalyst, the product is widely applied in organic waste gas purification, heat exchange system industrial waste gas treatment, coal-fired power plant flue gas purification, NOx purification system, garbage incineration and harmful gas purification treatment, etc. 2.Overall dimensions standards Item Standard values Tolerance Remark Overall dimensions Length 150MM ±1.5MM Width 150MM