There are two different transformers to Elflugan Original and one transformer to Elflugan Grande.
The transformer to Elflugan are sold in the colors black and white. There are two different models that comes in black. An older version which has a round entry for the carb. The newer version has two smaller ”holes” as an entry for the carb (see pictures of the transformer).
For Elflugan Grande the transformer comes in black and white and with a dimmer functionality .