Spray: Powerful Jets Inject cleaning solution deep into carpet quickly to begin releasing dirt & grime. Scrub: Exclusive Triple Action Vibrating Brush scrubs all sides of each carpet fiber releasing dirt & stains other machines miss. Extract: Enhanced Vacuum Motor with Pro-grade suction power removes dirt, grime & odors; aids in faster drying time in one pass. 2 Large Capacity Tanks for more cleaning time – less emptying with 3 gallon CWT and 3.9 gallon DWT. CRI Gold Rated: Awarded Gold rating by Carpet & Rug Institute for soil removal, water removal and gentleness on carpet.