Main Filter MF0898904 replaces OEM HC9901FCS39H by PALL and is compatible in fit, form and function.Filter Technical Specifications Product Media: Glass Micron Rating: 10 Seal Type: Viton Height: 38.81in OD Top: 3.74in OD Bottom: 3.74in ID Top: 2.193in ID_Bottom: 2.193inAll of our elements are manufactured according to ISO specifications, including: ISO 16889, Clean DP (low and high visc) - ISO 3968, Fluid compatibility - ISO 2943, Flow fatigue resistance - ISO 3724, Dirt capacity - ISO 16889, Collapse pressure - ISO 2941All items marked "Replacement" or "Interchange" are not affiliated with the original manufacture where names and part numbers are for cross reference only. All trademarks are trademarks of their respective owners. Reference is made to the OEM solely to identify the compatibility of Main Filter Inc filter with the OEM filter.Images may be a general representations of products