303 Carpet Cleaner and Spot Remover 32ozTechnology changes. Even with something as commonplace and standardized as cleaning products. With 303 Cleaner & Spot Remover, 303 Products is rewriting the rules for cleaning products. No soap or detergents. No phosphates, nitrates, caustics, toxic organics, enzymes, VOC's ... nothing you've used before under any name. Instead, 303 utilizes a proprietary blend of sequester agents, surfactants and hyper-wetting agents to lift and suspend oil, grease and dirt to be easily wiped or rinsed away. It is completely safe for use on all water-safe fabrics to quickly remove even the most difficult stains. And unlike soaps, detergents and other cleaning products, 303 Cleaner and Spot Remover rinses away completely...leaving NO residue.