The SANITMAX Commercial Walk-Behind Carpet Extractor is built for routine carpet cleaning in hotels, offices, schools, and other high-traffic commercial spaces. With 160 PSI spray pressure, 21 KPA suction, a 13.8-inch brush width, and an 18.5-inch squeegee width, it is designed to scrub carpet effectively and recover dirty water for cleaner results. Its 10.5-gallon solution tank and 8-gallon recovery tank support longer cleaning sessions with fewer interruptions, making it a practical fit for larger carpeted areas. The included spot tool and hose also help clean stairs, upholstery, corners, and other detailed areas without needing a separate machine. This machine is best positioned as a commercial cold water carpet extractor, not a steam cleaner, for buyers who want a combination of strong spray pressure, strong suction, commercial tank capacity, and detail-cleaning flexibility. FQA Q: What is this machine used for? A: It is a commercial walk-behind carpet extractor for hotels, offices, schools, and other high-traffic carpeted areas. Q: Is this a steam cleaner? A: No. The title identifies it as a 160 PSI cold water carpet cleaner. Q: Does it include a tool for stairs or upholstery? A: Yes. It comes with a spot cleaning tool and hose for stairs, upholstery, corners, and hard-to-reach areas. Q: What are the tank sizes? A: It has a 10.5-gallon solution tank and 8-gallon recovery tank. Q: What kind of spaces is it best for? A: It is best for large carpeted commercial areas such as hotels, offices, schools, and other high-traffic spaces.