These go for anywhere from $3800 to $4500 from used to new. The one I have was my brother's he used to grow Marijuana plants for a dispensery and he used these to keep the plants from molding. Has 500 hours on it. So I'm only asking $750 ..The Syclone LGR145 is an intelligently designed dehumidifier ideal for any number of applications. The LGR145 features convenient inlet and outlet temperature and RH monitoring to save you time. The large-capacity pump basin in this dehumidifier holds water after a power outage or unexpected shut-down to prevent re-saturating the area you're working on. Intelligent electronics mean this unit automatically restarts after a power failure. The LGR145 has been designed to be durable, reliable and portable. This unit has an ergonomic fold-down handle, on-board hose and cord storage, and large rear-mounted wheels for easy transport. Always know whats happening with your unit via the plain-language messages on the digital display and built-in humidistat.