Non-chlorine, oxygen-based, granular cleaner that brightens colors and removes mild yellowing in carpets. Carpet Booster goes to work immediately and gives carpets a bright, crisp look without the use of optical brighteners. Mix Carpet Booster in an extractor solution tank with Hillyard Clean Action® II or Hillyard HD Extraction, or pre-spray directly on carpet. Note: Not recommended for use on stain-resistant carpets. 2 lb. Container.