Technology pioneered by Sub-Zero features two separate cooling systems so fresh food stays fresher longer in the cool, moist air of the refrigerator. Frigid, dry air prevents frost and freezer burn in the freezer-optimum preservation conditions for each type of food.Many fresh foods emit ethylene gas, a naturally-occurring compound that hastens food ripening and spoilage. Sub-Zero refrigerators come with an air purification system (based on technology developed by NASA) that scrubs the air of ethylene and odor every 20 minutes.Monitor and Control with WiFiMonitor and control remotely with Wi-Fi connectivityPreserves Refrigerated and Frozen FoodsPreserves refrigerated foods with cool, moist air and frozen foods with frigid, dry airFight spoilageFight spoilage and odors with a NASA-inspired air purification systemLocks in Cold Air to Ensure FreshnessLocks in cold air to ensure freshness with magnetic door sealsKeeps Produce FresherKeeps produce fresher with high-humidity, sealed crisper and deli drawersControls TemperatureControls temperature within one degree of setpointFilters IceFilters ice, removing contaminants, chlorine taste, and odorYields Ice AutomaticallyYields ice automatically andEnsures Excellent VisibilityEnsures excellent visibility with bright lightsRefer to Freshness CardsRefer to freshness cards for tips on food preservation, use, and care Refrigerator Specifications 1 adjustable dairy compartment 1 high-humidity crisper drawer with adjustable dividers 2 refrigerator storage drawers with adjustable dividers 5 refrigerator door bins (3 adjustable; 2 stationary) 5 glass refrigerator shelves (4 adjustable; 1 stationary) LED refrigerator and freezer lights Freezer Specifications 3 freezer storage drawers 4 wire freezer shelves (3 adjustable; 1 stationary) 5 adjustable freezer door bins