PureGuardian
PureGuardian H997W Ultrasonic Humidifier
Breathe easier with the PureGuardian H997W Ultrasonic Humidifier. Designed to combat dry air, this humidifier offers relief from cold, flu, allergy, and dry skin symptoms. Its generous 1.6-gallon tank provides up to 90 hours of continuous operation, perfect for medium to large rooms. The unit features Silver Clean Protection to inhibit mold and mildew growth in the tank. Enjoy a quiet, fine mist thanks to ultrasonic technology, and enhance your atmosphere with the optional aromatherapy tray for essential oils. Safety is paramount with a low water indicator and automatic shut-off.
$49.99
Owner Satisfaction
4.2
/ 5
Category Rank
276
/ 486
#276 in Humidifiers
Price vs Category Average
-56%
Below average
Water Tank Capacity
1.6
/ gallons
Who it's for
- Extended 70-Hour Operation
- Hygienic Silver Clean Technology
- Dual Warm and Cool Mist Settings
Who should skip it
- Potential for White Dust Residue
- Awkward Tank Refilling Process
- Detailed Internal Cleaning Required
Key Specs
Water Tank Capacity
1.6 gallons
Maximum Coverage
475.0 square feet
Maximum Runtime
90.0 hours
Filter Type
Filterless
Control Type
Manual Dial
Placement Type
Tabletop
Automatic Shut-off
Yes
Built-in Humidistat
Yes
Features
- Ultrasonic cool mist for quiet operation
- 90-hour runtime for extended use
- 1.6-gallon tank capacity
- Built-in humidistat for ideal humidity
- Silver Clean Protection for tank hygiene
- Optional aromatherapy tray for essential oils
- Automatic shut-off for safety
- Filterless design for convenience
What customers say
Customers consistently appreciate the H997W for its exceptional quietness, making it ideal for bedrooms and nurseries. The top fill design is a major highlight, significantly improving the ease of use compared to traditional humidifiers, eliminating messy spills and awkward tank handling. While the mist output is generally strong and reliable, some users note that routine cleaning requires careful attention to maintain peak performance. Overall, the design prioritizes user comfort and simple daily operation.
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