Unfortunately, these are the wrong waste water tanks, ours is square and the ones listed here are all round.

The tank can be removed from the Pro version and the Pro version is slightly heavier, otherwise there is not much difference.

These are the same multi-surface cleaners, only the scope of delivery differs. Scope of delivery 3528N: 1x multi-surface cleaner 3x Freshstart antimicrobial multisurface brush roll 2x Freshstart antimicrobial filter 1x Natural Multi-Surface Pet Cleaning Solution (1 litre) 1x Freshstart Clean-out Cycle Solution (236 ml) 1x Storage tray and accessories holder and user manual with pictures Scope of delivery 3527N: 1x Multi-surface cleaner 2x Freshstart Antimicrobial Multisurface Brush Roll 2x Freshstart Antimicrobial Filter 1x Natural Multi-Surface Pet Cleaning Solution (1 litre) 1x Storage tray and accessories holder and user manual with pictures