This OEM alternative element is guaranteed to be equal in form, fit, and function, to Grainger - Speedaire filter element number 4N437. Element specifications are .01 Micron Removal at 99.97% efficiency, maximum oil carryover .008 PPM.
All aftermarket filter elements are guaranteed to be free of defects in workmanship and materials, meeting or exceeding the specifications and quality of the OEM. If you receive a filter and arent completely satisfied with the construction or fit, you may return it for full credit within 30 days of shipment. Only unused filters will be accepted. You will be responsible for all freight charges. Please contact us for more details on our quality and performance guarantee.
