Omega Vac Supreme, weighing 12 lb., has a shoulder strap and lid storage area for accessories. Measures 19.5inch x 9inch x 6.25inch . Choice of filter determines level of dust retention. Omega Series standard filters are designed to capture dust, dirt, soot, pollen, black toner and most color toner. The optional HEPA filters are designed to capture fumes, atmospheric dust, all color toner and other ultra-fine particulate. Both filters are disposable, anti-dump canisters. The vacuum meets UL and CSA certified safety standards. Great for general exhibit and storage room cleaning. Suction is stronger than normally desired for cleaning collections.