Triangular shape combined with innovative articulating harness has resulted in a vacuum that feels more like a part of your body. Weight of backpack is distributed to the natural center of gravity, so you have better balance no matter how you move. The die-cast aluminum tri-latch system assures air performance. Four level filtration with HEPA captures 99.97% of particulates 0.3 microns or larger, improving IAQ. Four Level Filtration w/HEPA: 1054 sq in total area. Includes 1 1/2" static-dissipating vacuum hose, a 50' extension cord and two intercept Micro® filters. Intercept Micro Filter Media: 6 Qt. Power: 1108 W; Amperage: 9.5 A.