Questions about Miele Parquet Twister SBB 300-3 PQ

I can't say exactly. I bought the brush for the Complete C3 Score model. Maybe you should ask at Fust or directly at Miele.

35mm

No, this product is intended for the Miele brand.

The idea is compelling, because the floor nozzle from the Triflex is atrociously bad. Well, this floor nozzle actually fits the connection of the Triflex (amazing), but the power of the cordless vacuum cleaner will at best be sufficient for light dust. The normal floor nozzles are open in all directions, whereas the Triflex floor nozzle only works because it is closed at the sides and back and a rotating brush helps to pick up the dirt.

Yes. Miele is compatible with each other.

Yes

ja, passt perfekt!