CareFree Humidifier 3.5 Gallon With PermaWick Filter Exclusive PermaWickTM filter which never needs replacement * Dishwasher safe easy clean base * Regulated ReleaseTM system * Adjustable humidstat ( 2.5 and 3.5 gal. models) * Airtight ToteAwayTM tank with large refill port for easy filling * Whisper-Quiet Hunter Fan with 2 speeds * Model 34351 features automatic shut-off and refill light * Shipping Carton Size: 23 L x 20 W x 16 H