Mytee S-300 Tempo Spotter - 1 Gallon Unit - Cold Water Carpet Extractor - Interior Carpet MaintenanceThis Mytee Extractor is a one gallon capacity unit and is a great spotter extractor or to be used on mainly small vehicles or vehicles that just need some areas of the carpet or upholstery touched up. Keep in mind, typically you need 2 to 3 gallons of water to clean an average sized vehicles carpets and upholstery. You would have to stop and fill this unit 2 to 3 times to clean interiors of larger vehicles. Dont let its small size fool you Mytees S