High-Performance Substrates And Assemblies
HSL Clean Filtration specializes in designing and manufacturing high-performance emission control components, ensuring compliance and efficiency for automotive and industrial applications.
Discover the vision behind HSL Clean Filtration’s innovations.
Your trusted partner in advanced emission control technology.
Since our founding, HSL Clean Filtration has focused on one goal: to provide exhaust aftertreatment solutions that are as precise as they are reliable. Our expertise spans the full range of emission control components — with deep specialization in Diesel Particulate Filters (DPF) and Diesel Oxidation Catalysts (DOC). We combine material science, advanced manufacturing techniques like segmented SiC construction, and a flexible service model — offering everything from bare substrates to coated catalysts and fully welded assemblies. Today, we support vehicle and system manufacturers worldwide in achieving Euro VI and beyond, ensuring every filter not only meets the standard, but excels in the field.
Our Expertise
20+
Years of Experience
With over two decades of dedicated focus on emission control technology, we have refined our expertise in engineering and manufacturing to deliver reliable, high-performance filtration solutions.
20+
Serving Clients Worldwide
Our products and services have reached customers across Europe, Asia, and the Americas, supporting diverse applications from passenger cars to heavy-duty commercial vehicles.
98%
Satisfied Customer
Whether it’s a custom prototype or large-volume production, we ensure every project meets exact specifications, earning consistent trust and approval from our global partners.
Services
Bare Substrates
We provide high-quality, uncoated DPF DOC etc. substrates in your specified material, shape, and size—ready for your own catalyst coating and system integration.
Catalyzed Units
Our advanced coating technology applies precise catalyst formulations to meet target emission standards such as Euro V/VI. We ensure uniform dispersion and optimal performance for DOC, DPF, ASC, and GPF applications.
Full Encapsulation & Assembly
From your design to a finished system: we handle canister fabrication, substrate mounting, welding, and final testing—delivering a complete, ready-to-install exhaust module tailored to your vehicle or industrial application.
Join us in creating cleaner air for future generations.
Discuss your emission control needs with our experts today!