937720 937788Q 937931Q AIR Breather 3 Micrometre Rating AK-D3WCTW30 AO 055JBFX AO-0145 G - obsolete, replaced by 48-FDH145 and 48-020381;; "AO050IBFX (21/2"") OBSOLETE USE: AO050IGFX" AO050IBFX OBSOLETE USE: AO050IGFX AO050IGFX AO060KGFX FEINFILTER ART.-NR. MFR.: PA16171-0233 ART.-NR. MFR.: PD44264-0233 AZ5050/160 AZRS KY3232-obsolete-replaced by KL3046 AZV55263/250