According to the manufacturer's description on bissell.de, it should fit.

The brush rotates due to the suction, but can be switched on or off via a slider.

We checked again with the supplier and it was confirmed that only ProHeat 2x Lift-Off, ProHeat 2x Revolution, SpotClean Pro, SpotClean ProHeat, StainPro 6 or StainPro 4 are compatible.

Yes, it is.

This accessory is suitable for : BISSELL Big Green, ProHeat 2X LiftOff, Revolution 2X ProHeat, SpotClean Pro, StainPro 4, StainPro 6.