The 8510HZD Self-Contained Cooling Unit is designed to provide a subtle temperature between 50~65 °F for a properly insulated wine cellar. The humidity range of the refrigerated space can be maintained within 50~75%. Redesigned with a curved supply grille and front panel, this cooling unit will bring dynamic style to any space. This cooling unit contains a washable, purifying air filter and a high air flow fan to overcome the filter restriction. The WM-8510HZD is the first fully customizable wine cooling unit on the market, giving you the option to create the ultimate cooling system that caters to your wine storage needs. This is an economical way to duct. It can be the least expensive option if you want a ducted system.