Big Green® Machine for a BIG clean! Get a deep, professional-grade clean from America's #1 Brand in Deep Cleaners† with BISSELL® Big Green® PET PRO carpet cleaner. Big Green® carpet cleaner cleans better than the leading rental* thanks to the DirtLifter® PowerBrush and its eight rows of bristles that work together with powerful suction to remove embedded dirt and stains. Two large-capacity tanks keep dirty water and clean water separate, and hold enough so you make less frequent trips to the sink. Clean easier with and ergonomically designed handle engineered with your comfort in mind.