From Amazon
Kärcher basic cleaner for hard surfaces RM 533, for deep removal old protective layers and stubborn dirt on stone, linoleum and PVC,1l of concentrate yields 40l cleaning agent.
Carpet Cleaners
Karcher RM533 - Universal Chemical for Stone, Linoleum and PVC (Cleaner)
OnBuy
Kärcher 6.295 775.0 Basic Cleaner - Stone (RM 533, 1 Litre)