JLM Diesel DPF Refill Fluid is the aftermarket alternative for particulate filter regeneration fluids from various car manufacturers. With the latest generation JLM Diesel DPF Refill Fluid, JLM has one replacement product with a very broad OE coverage. Thanks to the new composition, this refill fluid is suitable as a replacement for OE particulate filter regeneration fluids of the 1st, 2nd, 3rd and 4th generation.