With StainProtect. Protects against future stains. Professional. Our best cleaning formula (Based on average room size of 180 sq.ft.). 3x action. Stain protection. Odor removal. Professional results. Professional strength formula. Cleans 2000 sq.ft or 11 rooms (Based on average room size of 180 sq.ft). Our best cleaning formula (Compared to other Bissell rental machine formulas). Help keep your carpet looking newer longer by providing unbeatable cleaning power and protect carpet from future stains. Before deep cleaning: Test a small, hidden area for colorfastness. If color is affected, do not use. For upholstery, use on manufacturer’s code WS or W only. Earth friendly formula. Contains no heavy metals, phosphates or dyes. Biodegradable detergents.