Euroclean Superior design makes the Euroclean GD 930 and UZ 930 HEPA professional vacuum cleaners for removal of dust and dirt easier to handle, more efficient performers. When purchased with HEPA Filter: Certified 99.97% efficient @ 0.3 microns. The GD930-HSP is the same as the UZ930-S, except that the GD930SP does not include the HEPA filter. The machines, filters, bags and accessories are otherwise the same.