Corning® DuraTrap® AT Filters | Diesel Particulate Filters | Corning

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Corning® DuraTrap® AT Filters

Corning® DuraTrap® AT Filters

For Proven Perfomance in Light-Duty Diesel Systems.

We’re supporting the drive to improve fuel efficiency in passenger cars and trucks with our light-duty aluminum titanate filters. Introduced in 2005, these filters have proven their performance and durability in millions of vehicles.

Product Highlights

Product Highlights

Corning’s aluminum titanate (AT) composition enables high-performance light-duty filters by combining low coefficient of thermal expansion (CTE) with high heat capacity. Corning® DuraTrap® AT diesel particulate filters use advanced materials and monolithic design to deliver important benefits.

• High filtration efficiency

• Excellent pressure drop performance

• Enhanced durability

• Low pressure drop and excellent regeneration efficiency to help improve fuel consumption

• Increased ash storage capacity and larger filtration surface area compared to segmented filters

The extrude-to-shape monolithic design can be produced in a variety of sizes and optimized for systems with space constraints and diverse configurations. Corning’s innovative asymmetric cell technology (ACT) is an option that helps manage lifetime pressure drop requirements and provides ash storage benefits through larger inlet channels. Additionally, its engineered pore structure enables customers to meet particulate mass and number emissions regulations worldwide.



Diesel engines are an increasingly popular choice for fuel-efficient passenger cars and light-duty trucks. Advanced filters support the drive to improve fuel efficiency and meet tighter regulations

The AT Advantage

*Except as otherwise noted, the charts and graphs used on this page are based on data from experimental and limited tests conducted under controlled laboratory conditions sponsored by Corning® Incorporated. Corning® can provide additional calculations or test results based on specific operating conditions.