This product comes with an Air Deflector/Filter Unit and a Fan Unit, enhancing its functionality.

Using this Studer D21m I/O System is easy. Just connect it properly according to the instructions. When using, make sure the environment is clean to avoid clogging the air deflector/filter unit. Regularly check the fan unit for any unusual noises. For maintenance, clean the air deflector/filter unit every few months to keep the system running smoothly. Also, keep the system in a dry and well - ventilated place.