Air Filter for Mann C1337 Suitable for Busch Rietschle Leybold Vacuum Pump 730519 
Also Fits: Boge 569726300, Bosch F026400246, S0246, Busch 532-000-003, Crosland 9196, Fil Filter HP4555, In-Line Filters FB20652, FMHC1337, FMH-C1337, Knorr Bremse C78252/001, Mann and Hummel 4503753105,  Noitech NA012260, Schupp SF SL8475, Sotras SA6122, Teho Filter 21084