Keller Lufttechnik's Customer Magazine

2 04 Why efficient room air purifiers signifi- cantly reduce the risk of Corona virus infection indoors 06 Smart technology "Made in Germany": How the AmbiCube from Keller Lufttechnik works 07 Room air purifiers: A long-term invest- ment that pays off 08 99.982 percent effective: University of Stuttgart has tested AmbiCube on actual viruses. An interview with the study leader, Dr. Daniel Dobslaw 09 Choosing the proper room air purifier: Significant Criteria 10 Background: Commercial versus household room air purifiers 12 Technology - and what's inside 14 What occurs with the viruses inside the filter? 15 Contact Contents LUFT REIN