METALIZED AIR DUCTS EMPHASIZE WINDTUNNE™L TECHNOLOGY; UNIQUE BAGGED/BAGLESS DESIGN SYSTEM–QUICK & EASY TO SWITCH FROM BAGGED TO BAGLESS; HAND-ACTIVATED POWER CONTROL & ON/OFF BRUSHROLL; NON-MARRING WHEELS WITH BEARINGS FOR LOWER PUSH EFFORT ON CARPET & SAFE USE ON BARE FLOORS; ERGONOMIC D-GRIP HANDLE WITH SOFT GRIP; HIGH QUALITY, ALUMINUM WANDS; ELECTRONIC DIRT FINDER