enta LW45G Humidifier & Airwasher Charcoal in Gray Metallic + Venta Airwasher 3-Pack Fragrance Humidifies dry room air while simultaneously purifying it by removing dust, pollen, pet dander, and other allergens For rooms up to 800 square feet 10- Year Warranty Cold evaporation technology No filter or replacement items needed to operate the unit - water is the filter Auto shut-off with water refill indicator light - 3 gallon capacity Comes With Venta Airwasher 3-Pack Eucalyptus Fragrance for Venta Airwashers