The smallest of the wet and dry machines available, the 215 is extremely versatile. With the 36mm tool kit provided you can use the machine for both dry work on hard floors oand carpet, and also for wet work on hard floors. Available as an optional extra is a Microfilter which enables the machine to be used where a high degree of filtration is required in Hospitals or Computer Rooms for example. It also proves effective in the medical arena of dust allergies such as Asthma, which is becoming increasingly prevalent.