K2E200-AH20-05 oem K2S165-AA17-05 oem K2E250-AH34-06 oem W2S130-AA03-98 - obsolete alternative W2S130AA0301 9956 220VAC R2E225-AT52-19 obsolete W2S130-AA03-01 3414 NG 3414 H VD-3-54.14 4214NH 4412 F 30KFB4004 8668733 550123 5302471 HELICE D250MM obsolete replaced by M4Q045.EA01.G3 550163 HELICE D250MM ( brand EBMpapst) D2E133DM4723 G1G170 – AB31 – 08 - alternative is G1G170AB3101 R2D220-AB02-19 oem