Bissell's Little Green ProHeat (TM) portable carpet & upholstery cleaner. It permanently removes tough stains from wherever you find them. From high-traffic areas and stairs, to upholstery, auto interiors, you have the ideal cleaner. The tough stain tool works great on everyday spills while the 3-in-1 stair tool sprays, scrubs and suctions up dirt and stains from the outer curves, corners and treads of carpeted staircases. The slim design is easy to carry and fits conveniently on a stair. Removable water tanks for easy filling and emptying. 2-year limited warranty.