11" cleaning head.  Double vacuum system.  Rental of the carpet cleaner comes with vacuum and solution hoses, floor wand with vibrating brush head and upholstery attachment. This unit has a double vacuum system, this means it is pulling approx 130 inches of water where as the standard carpet cleaner is pulling approx 80 inches or water! Rent a Airpath axial floor fan if you want to dry the floor right away (rated to dry a 12' x 12' area in 15 - 20 minutes)!  Must be transported in a heated vehicle during winter or when below freezing!