Most carpet cleaning companies still use the old manual scrub wand method simply because it has been around for over 40 years. We clean with the ROTOVAC360, today's latest state of the art technology in carpet cleaning. The Rotovac 360 is a patent pending rotary extraction power head that utilizes rotary vacuum heads to thoroughly deep clean carpet with hundreds of multi-directional cleaning passes. Unlike the manual scrub wand which only cleans in two directions.