The cleaner has not been specially developed for Ecovacs Winbot. For Ecovacs Winbot, a special, foam-free and low-corrosion cleaning agent is recommended, which should be used undiluted. The Kärcher RM 503 glass cleaner is a window cleaner accessory, but there is no official statement that it is compatible with Ecovacs Winbot. Ecovacs recommends a specially formulated cleaning agent for its Winbot models, which is optimised for the components of the device and is used without adding water. It is therefore advisable to use the cleaning agent recommended by the manufacturer for the Winbot in order to avoid damage or functional impairment.

The cleaner can be used with all models of Kärcher window cleaners, including window cleaning robots, provided they are suitable for cleaning agents. It is specially adapted to the requirements of Kärcher window cleaners and ensures streak-free cleaning of glass surfaces.

Basically not - we source this product from various suppliers at home and abroad in order to better guarantee availability. The packaging may therefore be labelled in Polish. If required, you can find the official product data sheet with instructions for use at the following link: https://s1.kaercher-media.com/documents/datasheets/cleaningagents/de_CH/0.011-397.0_PI_de_CH.pdf.

The Kärcher Window Cleaner Concentrate RM 503 has not been specially developed for use with a steam cleaner. It is mainly designed for use with window cleaners or manually for cleaning glass surfaces. If you want to use it with a steam cleaner, you should make sure that the steam cleaner is suitable for use with cleaning agents and that the material compatibility is tested.

The bottle has a capacity of 500ml. Regarding the second question, it depends on when you bought which device in which set from where. In my set, the cheaper RM 500 was delivered in the set.

RM 503 Seals the surface and allows water to run off faster and delays resoiling.

This is the glass cleaner concentrate RM 503 (500ml).