About the Econix® DPF-A:The leading active diesel particulate filter (DPF-A) that uses an advanced metal fiber filter to trap diesel particulate matter (PM) contained in diesel engine exhaust. This innovative diesel retrofit filterreduces PM by 85% or greater and provides economical emission reduction without the use of a catalyst. This means a faster regeneration time without having to plug in to an electric power source. The Econix® DPF-A is California Air Resources Board (CARB) Approved for the reduction of diesel emissions. In addition, the DPF-A also meets the Environmental Protection Agency (EPA) diesel emissions standards. The Econix® DPF-A is the leading diesel emissions retrofit solution for many fleet vehicles. Click here for the most current list CARB Approved Engine Families for the Econix DPF-A.