Sold as 2 UNITS at $27.47 per unit. (1 unit = each.) 2 gallon capacity. Warm moist. Clear, removable water tank. Automatic shut-off when tank is empty, removed or tipped over. Low/high moisture output settings. Remove and rinse tray is dishwasher safe. Medicine cup is dishwasher safe. This model does not use a filter. Boxed . Manufacturer number: HWM-910. SKU #: 4229894. Country of origin: China. Distributed by Kaz Home Environment,, Inc.