![MANN+HUMMEL Official on Twitter: "Welcome to Himmelkron - our future center of competence for molecular filtration and activated carbon technology. They produce air filters for a wide variety of industries like household MANN+HUMMEL Official on Twitter: "Welcome to Himmelkron - our future center of competence for molecular filtration and activated carbon technology. They produce air filters for a wide variety of industries like household](https://pbs.twimg.com/media/FFqxj_bWUAA-D75.jpg)
MANN+HUMMEL Official on Twitter: "Welcome to Himmelkron - our future center of competence for molecular filtration and activated carbon technology. They produce air filters for a wide variety of industries like household
![MANN+HUMMEL Official on Twitter: "#Airpurifiers for kindergartens in the Bayreuth region: Our Himmelkron and Gefrees sites donated 30 antiviral air purifiers, thus ensuring increased protection for kindergarten teachers and children. More about MANN+HUMMEL Official on Twitter: "#Airpurifiers for kindergartens in the Bayreuth region: Our Himmelkron and Gefrees sites donated 30 antiviral air purifiers, thus ensuring increased protection for kindergarten teachers and children. More about](https://pbs.twimg.com/media/FML5eazWYAA9WB2.jpg)
MANN+HUMMEL Official on Twitter: "#Airpurifiers for kindergartens in the Bayreuth region: Our Himmelkron and Gefrees sites donated 30 antiviral air purifiers, thus ensuring increased protection for kindergarten teachers and children. More about
![MANN+HUMMEL Official on Twitter: "#Airpurifiers for kindergartens in the Bayreuth region: Our Himmelkron and Gefrees sites donated 30 antiviral air purifiers, thus ensuring increased protection for kindergarten teachers and children. More about MANN+HUMMEL Official on Twitter: "#Airpurifiers for kindergartens in the Bayreuth region: Our Himmelkron and Gefrees sites donated 30 antiviral air purifiers, thus ensuring increased protection for kindergarten teachers and children. More about](https://pbs.twimg.com/media/FML5eavXsAE-gAQ.jpg)