On 30th June, Dr Andrew Pridmore, Head of Microbiology at Don Whitley Scientific, presented a poster entitled Use of HEPA Filtration within an Anaerobic Chamber to Reduce Bacterial Density in the Incubation Atmosphere, at Anaerobe 2014 (12th Biennial of the Anaerobic Society of the Americas, Chicago, USA). Copies of the poster can be obtained from the DWS website.