PureGuardian 420 Sq. ft, 1 Gallon Ultrasonic Cool Mist Humidifier with Aroma Tray, H980W
PureGuardian 420 Sq. ft, 1 Gallon Ultrasonic Cool Mist Humidifier with Aroma Tray, H980W
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PureGuardian 420 Sq. ft, 1 Gallon Ultrasonic Cool Mist Humidifier with Aroma Tray, H980W

4.4 stars out of 188 reviews
(4.4)|
188 ratings

Key item features

  • Top Fill Tank: 1-Gallon tank provides up to 70 hours of run time, ideal for medium to large sized rooms.
  • Ultrasonic Technology: Quietly disperses a fine cool mist, offering relief from dry air.
  • Easy Operation: Features an easy fill top-fill tank, 3 speed mist control, and a low water indicator for refilling.
  • Optional Nightlight: 7 color nightlight creates a calming ambiance, perfect for children's rooms or nurseries.
  • Enhanced Comfort: Provides soothing cool mist, beneficial for those with colds, allergies, and dry skin.
  • Smart Design: Compact design suitable for desks, tabletops, nightstands, and nurseries.
  • Silver Clean Protection: Fights the growth of mold and mildew on the surface of the water tank.
  • Aromatherapy Tray: Add essential oils to the tray to create a relaxing atmosphere.
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Current price is $49.99
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4.5196668209162425 stars out of 5, based on 2161 seller reviews(4.5)
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Comparison Chart:
Humidification methodUltrasonicPureGuardian 420 Sq. ft, 1 Gallon Ultrasonic Cool Mist Humidifier with Aroma Tray, H980WEvaporativeClorox Ultra Clean Cool Mist Air Humidifier for Room with UV LED Light, Filter Free Design, 4 Liter Tank, WhiteUltrasonicLairy 5L Cool Mist Humidifier for Large Room, Top-Fill Humidifiers, Essential Oil Aroma Pad Tray, Quiet Ultrasonic Humidifier for HomeUltrasonicHUMSURE Bedroom Humidifier, 4.5L Cool Mist Floating for Household Plants, Silent Ultrasonic Humidifier, Aromatic Multi-Colour Controllable Light, leak-proof Easy to CleanUltrasonicCool Mist Humidifiers for Bedroom 3 L Water Tank Quiet Ultrasonic Air Vaporizer,Adjustable Mist Level, BlackUltrasonicHumidifiers for Bedroom Large Room Home, 2.06 gallon 7.8L Cool Mist Top Fill Essential Oil Diffuser for Baby & Plants&Pet, Large capacity dual mist outlet With UV sterilizationUltrasonicDREO 4L Cool Mist Humidifier for Large Room, 36H Long Runtime Top-Fill Humidifiers, Essential Oil Aroma Pad Tray, 28dB Quiet Ultrasonic Humidifier for Home, Touch Control
Coverage area420 sq ftPureGuardian 420 Sq. ft, 1 Gallon Ultrasonic Cool Mist Humidifier with Aroma Tray, H980W200 sq ftClorox Ultra Clean Cool Mist Air Humidifier for Room with UV LED Light, Filter Free Design, 4 Liter Tank, White430 sq ftLairy 5L Cool Mist Humidifier for Large Room, Top-Fill Humidifiers, Essential Oil Aroma Pad Tray, Quiet Ultrasonic Humidifier for Home300 sq ftHUMSURE Bedroom Humidifier, 4.5L Cool Mist Floating for Household Plants, Silent Ultrasonic Humidifier, Aromatic Multi-Colour Controllable Light, leak-proof Easy to Clean430 sq ftCool Mist Humidifiers for Bedroom 3 L Water Tank Quiet Ultrasonic Air Vaporizer,Adjustable Mist Level, Black600 sq ftHumidifiers for Bedroom Large Room Home, 2.06 gallon 7.8L Cool Mist Top Fill Essential Oil Diffuser for Baby & Plants&Pet, Large capacity dual mist outlet With UV sterilization300 sq ftDREO 4L Cool Mist Humidifier for Large Room, 36H Long Runtime Top-Fill Humidifiers, Essential Oil Aroma Pad Tray, 28dB Quiet Ultrasonic Humidifier for Home, Touch Control
Run time70 hPureGuardian 420 Sq. ft, 1 Gallon Ultrasonic Cool Mist Humidifier with Aroma Tray, H980W30 hClorox Ultra Clean Cool Mist Air Humidifier for Room with UV LED Light, Filter Free Design, 4 Liter Tank, White12 hLairy 5L Cool Mist Humidifier for Large Room, Top-Fill Humidifiers, Essential Oil Aroma Pad Tray, Quiet Ultrasonic Humidifier for Home48 hHUMSURE Bedroom Humidifier, 4.5L Cool Mist Floating for Household Plants, Silent Ultrasonic Humidifier, Aromatic Multi-Colour Controllable Light, leak-proof Easy to Clean12 hCool Mist Humidifiers for Bedroom 3 L Water Tank Quiet Ultrasonic Air Vaporizer,Adjustable Mist Level, Black44 hHumidifiers for Bedroom Large Room Home, 2.06 gallon 7.8L Cool Mist Top Fill Essential Oil Diffuser for Baby & Plants&Pet, Large capacity dual mist outlet With UV sterilization36 hDREO 4L Cool Mist Humidifier for Large Room, 36H Long Runtime Top-Fill Humidifiers, Essential Oil Aroma Pad Tray, 28dB Quiet Ultrasonic Humidifier for Home, Touch Control
Volume capacity1 galPureGuardian 420 Sq. ft, 1 Gallon Ultrasonic Cool Mist Humidifier with Aroma Tray, H980W1 galClorox Ultra Clean Cool Mist Air Humidifier for Room with UV LED Light, Filter Free Design, 4 Liter Tank, White1.32 ozLairy 5L Cool Mist Humidifier for Large Room, Top-Fill Humidifiers, Essential Oil Aroma Pad Tray, Quiet Ultrasonic Humidifier for Home1.2 galHUMSURE Bedroom Humidifier, 4.5L Cool Mist Floating for Household Plants, Silent Ultrasonic Humidifier, Aromatic Multi-Colour Controllable Light, leak-proof Easy to Clean-Cool Mist Humidifiers for Bedroom 3 L Water Tank Quiet Ultrasonic Air Vaporizer,Adjustable Mist Level, Black2.06 galHumidifiers for Bedroom Large Room Home, 2.06 gallon 7.8L Cool Mist Top Fill Essential Oil Diffuser for Baby & Plants&Pet, Large capacity dual mist outlet With UV sterilization135 galDREO 4L Cool Mist Humidifier for Large Room, 36H Long Runtime Top-Fill Humidifiers, Essential Oil Aroma Pad Tray, 28dB Quiet Ultrasonic Humidifier for Home, Touch Control
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Customer ratings & reviews

4.4 out of 5 stars
stars188 ratings131 reviews
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Reviews summary

Pros
  • : Can be used with favorite essential oils.
  • : Filling process is straightforward with simple lid removal.
  • : Has a large top opening for maintenance.
  • : Offers multiple color choices for customization.
  • : Produces a quiet mist into the air.
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Showing 1-3 of 131 reviews

Dec 16, 2025
Jennifer
Item details
Color: White/Clear
Sold byLasko Products - Official StoreDelivered byWalmart
5 out of 5 stars review

Verified Purchase

Pure guardian mist

This is the second one I have purchased. In the winter it gets very dry with a gas furnace, so this item works like a charm. Easy to fill with water. Don't change anything.

Helpful?0ZOBF7NDJFBI1601131297
Jan 17, 2026
MysticLily
Item details
Color: White/Clear
Sold byLasko Products - Official StoreDelivered byWalmart
5 out of 5 stars review

Verified Purchase

Loved the simplicity of this unit, very easy to fill and clean. Purchased the drop in demineralizing pods Aquasonic, pricy buy lasts the season. Cut down on the white dust and the pink mold.

Helpful?0ZOBF7NDJFBI1601131297
Apr 3, 2025
Lucy
Item details
Color: Black/Clear
5 out of 5 stars review

Verified Purchase

Absolutely Perfect!

This is a wonderful humidifier. I had all kinds of problems with another one that I bought. Hard to program, hard to clean etc. This one is so simple. You have very little to do to have it work perfectly for you. Just fill it with water, hit one button and you're all set. It turns itself off when out of water and starts again if you fill it or you can hit a button and turn it off for a while.

Helpful?0ZOBF7NDJFBI1601131297