This is the genuine Electrolux performance kit for some EC41 & EC31 models.
Suits:
Electrolux EC31-21W Vacuum cleaner
Electrolux EC31-2BB Vacuum cleaner
Electrolux EC31-2IW Vacuum cleaner
Electrolux EC41-4ANIM Vacuum cleaner
AEG LX5-2-2MG 900258316 AEG LX5-2-2SW 900258315
AEG LX5-2-4DB 900258319 AEG LX5-2-4DB 900258330
AEG LX5-2-4T 900258318 AEG LX5-2-4T 900258329
AEG LX5-2-ANIM 900258322 Electrolux EC41-2SW 900258314
Electrolux EC41-4T 900258317 Electrolux EC41-6DB 900258320
Electrolux EC41-ANIM 900258321
AEG LX5-2-2MG 900258316 AEG LX5-2-2SW 900258315
AEG LX5-2-4DB 900258319 AEG LX5-2-4DB 900258330
AEG LX5-2-4T 900258318 AEG LX5-2-ANIM 900258322
Electrolux EC41-2SW 900258314 Electrolux EC41-4T 900258317
Electrolux EC41-ANIM 900258321 Electrolux EC41-H2SW 900258328