At this year’s Achema 2015 in Frankfurt Hahnemühle invited visitors to take part in a puzzle! Visitors had to estimate how many syringe filters are filled in the large 
glass cylinder. Different methods took place, some estimated, counted and used a variety of mathematical calculations.
Mr. Gert B.* from Haan estimated the exact number – 843 colorful syringe filter contained the glass cylinder.
We say congratulations and wish you lots of fun with the Apple iPad Mini 3 including a cover!
* The winner was notified by mail.
