The Guardian Technologies H7550 90 Hour Warm & Cool Mist Digital Ultrasonic Humidifier is a model with a water tank capacity of 1.3 gallons, which is aproximately average. The model is designed for small-sized rooms, given its capacity.
This humidifier is very expensive compared to most units.
SpecificationsWater capacity (gallons): 1.3Weight (lb): 5.45Height (in): 13.98Width (in): 9.76Coverage area (cu.ft.): 300Brand: Guardian TechnologiesSafety shutoff: YesDepth (in): 5.12Model: guh7550Mist generation: UltrasonicRoom size: Small