Check the listing for details. Edwards EMF 20 Spare Mist Element A223-04-199. Condition: New – Open box. Listed at 99.00 USD. Edwards EMF20 Oil Mist Filters are used to separate and trap oil mist and odors discharged with the exhaust from oil sealed rotary vacuum pumps. The Oil Mist Filters have two-part injection molded plastic bodies which contain a fiber composite oil mist filter and an activated carbon odor filter.Exhaust gases from the pump travel upwards to the center of the Oil Mist Filter and through the filter element to the outside. Oil droplets that are trapped by the fiber composite element travel down the filter and collect in a reservoir in the base of the Oil Mist Filter.The EMF20 Oil Mist Exhaust Filter is designed to be used with the following Edwards Rotary Vane Pumps:Edwards RV12Edwards E1M18Edwards E2M18 Track Page Views WithAuctiva's Counter