The Bissell 49G51 is an advanced Clean and Protect professional strength formula out cleans all other formulas. Delivers professional results and provides stain protection with odor removal. Great for heavily solid areas, underlying odors, and stubborn stains. Triple Action formula deep cleans and protects while removing tough odors. Advanced clean and protect Professional strength formula. Great for heavily solid areas, underlying odors, and stubborn stains Triple action formula deep cleans and protects while removing tough odors Scotchgard stain protection. Effectively powers out tough ground-in dirt, stubborn stains, underlying odors, embedded allergens, dust, pet dander pollen and more.