As of October 2011, all CT dust extractors shipping from FESTOOL have been tested and certified as full unit HEPA dust extractors. Learn more in this five-page PDF »
Why is that important? If your current vacuum includes a HEPA filter, but lacks Full Unit HEPA Certification, then you are at risk of being cited for noncompliance with EPA RRP regulations.
FESTOOL has just now completed extensive independent testing, resulting in full-unit HEPA certification for its entire line of CT Dust Extractors. This means that the entire unit is HEPA certified, not just the filter.