LOUISVILLE, KY--(Marketwired - May 27, 2014) - AAF International held a ribbon cutting ceremony on May 22, 2014 commemorating its new ISO 4, 6, and 7 cleanroom for HEPA filter manufacturing in its ...
If you're shopping for a new air purifier or vacuum cleaner, you'll likely come across the term 'HEPA filter'. HEPA stands for 'high efficiency particulate air' [filter], and it's a standard for ...