COMPATIBLE: Designed for use with all Shark Carpet Cleaners - EX121BRN, EX151, EX201, EX301, PX201, PX202BRN, PX203BRN & PX251. STAINSTRIKER TECHNOLOGY: Two unique chemicals mix and activate on contact in the handheld tool unleashing the power of OXY for 20X more stain-striking power* PERFECT FOR PETS: Eliminates odors instantly and permanently, including pet ​urine and smoke. WHOLE HOME CLEANING: Formulated for removing tough stains on all carpets, area rugs, upholstery, stairs, fabrics, and more. TOUGH STAIN ELIMINATION: Activates on contact with Shark CarpetXpert Deep Clean Pro formula to unleash the power of OXY, removing even the toughest stains and odors. No premix required. WHAT'S INCLUDED: 32 oz Shark StainStriker OXY Multiplier Formula *vs. Shark Deep Clean Pro Formula when using Shark cleaning solution.