A Diesel Particulate Filter Catalyst Collar is used to support the gasket in the catalyst assembly and provide proper sealing. It helps prevent exhaust gases from leaking out and maintains the efficiency and effectiveness of the emission control within the unit.Attributes:• Withstand extreme heat without deteriorating and help maintain the integrity of the catalyst assembly• Help absorb vibrations and movements within the exhaust unit and prevent its movementsApplications:A Diesel Particulate Filter Catalyst Collar helps to align and secure the components of the catalyst assembly, ensuring that they are properly connected and in the correct position.