Bosch 78006WS Workshop Fuel Filter Multi-layered Filter Media with high efficiency in filtering out water, dirt and other harmful particulates from getting into the Diesel Fuel system High Micron rating comparable to OE Precise, Reliable fuel filter connections providing 100% Fuel Filtration Robust aluminum, plastic or surface-treated steel Filter Housing designed to withstand high pressure thus offering a longer Diesel fuel filter service life Multi-layered filter media with high efficiency in filtering out water, dirt and other harmful particulates from getting into the Diesel Fuel system High Micron rating comparable to OE Precise, reliable fuel filter connections providing 100% fuel filtration Robust aluminum, plastic or surface-treated steel filter housing designed to withstand high pressure thus offering a longer Diesel fuel filter service life