The Sub Zero IT-30FI-RH 30" Integrated All-Freezer with Adjustable Wire Shelves is perfect for anyone who wants an efficient freezer with enhanced aesthetics and low maintenance use. This freezer uses a special water filtration system that purifies water by reducing suspended impurities chemical pollutants and microbes. To aid in low-maintenance use the filter is designed to last 1 year or 750 gallons of water. The Sub Zero IT-30FI-RH 30" Integrated All-Freezer with Adjustable Wire Shelves has a crystal interior with nano-coated spill-proof shelving that makes cleaning a breeze and keep the interior clean that enhances the visibility of stored items. This freezer features smart-touch control panel that lets you precisely adjust temperature and easily select various settings. The freezer has soft-close doors and drawers for an integrated look and comfortable use. The energy-efficient LED lighting offers versatile lighting to freezer interior and keeps all the items visible.