The serial number is known to Eaton to be SUSPECT.
Eaton TEF Return-Line Filter, TEF120.3VG.16.S.P.-.UG.5.P.-.-.E1.1,5, 3 VG, Glass fiber fleece (VG), Nitrile, 145 psi (10 Bar), Bypass set at 29 psi (2 Bar)
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