The Forte Tools F-18 Single Motor Dust Extractor is a single-motor HEPA dust extractor featuring a two-stage filtering system, comprised of a main conical filter and ONE HEPA filter. The HEPA filter is individually tested and certified complying H13 EN1822:2209. Equipped with the HEPA H13 Filter, the Forte F-18 Vacuum can separate 0.3um dust with an efficiency >99.7%, ensuring a high standard of quality and safety.Forte Tools F-18 Single Motor Dust Extractor Features: Reverse-air jet-pulse filter cleaning system effectively cleans and removes dust build-up on the filters Easy to use inlet closure door eliminates the need to remove hoses when pulsing and cleaning filters Easily connects to hand-operated power tools to extract concrete dust while cutting and grinding Equipped with a continuous-bag disposal system for effective dust collecting and safe & easy disposal of concrete dust The Forte Tools F-18 Single Motor Dust Extractor uses a unique reverse-air cleaning technology, which safely and conveniently cleans the filter in an effective way. Reverse Air Cleaning system prevents dust and debris from clogging the filter, maintaining a consistent, normal airflow. With the technology, you do not have to open a vacuum to clean filter and create a potentially dangerous dust hazard. Forte Tools F-18 Single Motor Dust Extractor Specifications: Power: 2.3 HP, 1700 Watt Current: 15 AMP Motor: 1 Phase, 1.7kw, 230v Amps: 5 Air Flow: 176 CFM Noise Level: 72 dB(A) Water Lift: 140 Inches Pre Filter: 1.50 m², >99.5% @1.0 um HEPA Filter: 1.20 m², >99.99% @0.3 um Weight: 77 Lbs. Dimensions: (16.8 x 27.2 x 44) Inches