This aftermarket oil-water separator part is a direct replacement for Grainger part number 11U221. The kit is for use with PolySep model PSG-30. Each kit includes 1 expansion chamber element, 1 separation filter, 1 carbon elements, 1 prefilter. Pictures are for general reference and may not show actual kit contents.
Oil-water separator OEM equivalent service kits are guaranteed to meet the specifications of the original manufacturer.