Eliminates pet stains & odors! Shout Carpet works twice as hard as other leading oxy cleaners to remove stains & odors instantly! Our catalyst systems shifts the oxygen release process into overdrive, producing results fast! The unique formula is activated by outside air, unleashing oxygen power for safe, effective cleaning. Benefits: Shout Carpet: Uses the power of oxygen to target stains and odors to clean completely down to the fabric subsurface. Shout Carpet: Is powerful an set in stains while being gentle on your carpets and furniture. Shout Carpet: Goes to work on odors as well as stains to completely eliminate all evidence and prevent re-marking.