ALL Tool Depot Coalescing Filter 0.01 micron FILTER Replacement FM96 and FFLM96 Series QTY 1 FOR the following models FM966, FM968, FFLM966N, FFLM968N Replace filter to keep your Air clean system longer lasting and Keep maintain best quality at your work. When trying to figure out which type of filtration is best for your application, remember that the lower the micron rating of the filter element, the more contaminants it removes. 0.01 micron being the most efficient. Most particulate filters come standard with 5 micron elements