With the RFC POLY Skid (200 and 300 liters), compressed air foam is applied in the same way as with all other RFC POLY extinguishing systems, but firefighting can also be carried out with a water/foam compound mixture or water alone. They are fully-fledged extinguishing systems and can be universally operated. For example, they can also be used in areas where, for environmental reasons, no foam compound may be used, or in instances where the use of compressed air foam does not lead to the desired extinguishing success.