Will clean approximately 5,000 sq. ft. per each unit. Our amazing soap free carpet & upholstery cleaner concentrate is powerful yet versatile, used by professional carpet cleaners, professional building service contractors, educational facilities to include collages, university's, k-12 public and private school districts and home owners around the world for over 35 years. This powerful product is simply amazing all by its self just being certified odor free means everything when it comes to protecting you, your family as well as your pets because they are family to. You can mix and apply through your hand-held pre-spray applicator and or mix and apply through your portable carpet extractor, you can even bonnet clean. Soap free PROCYON carpet cleaning products are performance tested and approved by the Carpet & Rug Institute. Procyon has earned award letters of testing and certifications from Du-Pont Stain Master, Monsanto, Allied Fiber and Tandus Centiva, Power Bond. Trust PROCYON a soap free, odor free product that has been tested and certified in writing by at least three or more different independent companies covering ---- Indoor Air Quality (IAQ), Asthma & Allergy, No Volatile Organic Compounds (No VOC's) ---- Performance Testing Laboratory ---- Carpet & Rug Institute Approved and Green Seal Certifications. When you can pick 3 out of 4 tests of certifications you know are on your way to a safer healthier environment List: $ 13.80 EA.