14,000+ results for ultrasonic humidifier
- Westinghouse 28 inch Cool Mist Ultrasonic Tower HumidifierOpens in a new window or tabOpen Box$32.99Free shippingFree returnsppr (255) 97.8%
- Westinghouse Ultrasonic Humidifiers - Adjustable Mist Output for Home and OfficeOpens in a new window or tabBrand New$25.00 to $61.99Free shippingSave up to 20% when you buy moreppr (255) 97.8%
- SEJOY 8L Cool Mist Ultrasonic Humidifier Essential Oil Large Room Remote ControlOpens in a new window or tabBrand New$35.95Was: $71.9050% offFree shippingFree returns18 watchersSave up to 15% when you buy moreTop Rated Pluszjjoytech_2 (1,378) 99.3%
- Top Fill Humidifiers Bedroom Home 4L Baby Ultra Quiet Warm Cool Mist HumidifierOpens in a new window or tabBrand New$52.42Was: $69.9025% offFree 2-4 day shippingFree returns34 watchersSave up to 20% when you buy morezjjoytech_1 (1,536) 99.1%
- Aroma Humidifier Essential Oil Diffuser Grain Ultrasonic Air LED Aromatherapy USOpens in a new window or tabBrand New$7.35 to $7.95Free shippingFree returns576+ soldSave up to 15% when you buy morehappymall_a (1,840) 98.9%
- Holmes 0.36gal Antimicrobial Top Fill Ultrasonic Cool Mist HumidifierOpens in a new window or tabOpen Box$11.99List price: $29.9960% offFree shippingFree returnsAlmost gone114 soldExtra 20% off with couponTop Rated Plusbullseye_deals (326,339) 97.5%
- Vicks Filter Free Plus Cool Mist Ultrasonic Humidifier - 1.2galOpens in a new window or tabOpen Box$18.95List price: $45.9959% offFree 2-3 day shippingFree returns390 soldExtra 20% off with couponTop Rated Plusbullseye_deals (326,339) 97.5%
- Levoit Classic 300 Ultrasonic Smart Humidifier WhiteOpens in a new window or tabOpen Box$32.99List price: $80.9959% offFree 2-3 day shippingFree returns125 soldExtra 20% off with couponTop Rated Plusbullseye_deals (326,339) 97.5%
Picked For You
Sponsored | Top selling items from highly rated sellers with free shipping- Hodiax 4L Home Bedroom Large Cool Mist Air Purifier Ultrasonic HumidifierOpens in a new window or tabBrand New$24.45Was: $28.4314% offFree shipping226 soldSave up to 13% when you buy moresuperdriveautoaccessories (3,432) 97.6%
- New ListingLevoit Classic 300 Ultrasonic Smart Humidifier WhiteOpens in a new window or tabPre-Owned$15.00+$12.81 shippingmoreno-_47 (11) 100%
- SEJOY Ultrasonic Humidifiers For Bedroom Room Office Cool Mist Air Humidifier 5LOpens in a new window or tabBrand New$33.59Was: $41.9920% offFree 2-4 day shippingFree returns36 soldwoho_great230206 (954) 98.9%
- New ListingPortable Ultrasonic Humidifier, Cordless DesktoTravel up to 10-Hour RuntimeOpens in a new window or tabBrand New$21.24Free shippingautoshop007 (0) 0%
- LED Ultrasonic Aroma Diffuser Air Aromatherapy Purifier Essential Oil HumidifierOpens in a new window or tabBrand New$10.00Was: $10.999% offFree shipping123 soldSave up to 11% when you buy moregustavedesign (15,260) 99.4%
- SEJOY 5L Cool Mist Humidifier Essential Oil Remote Control LED DisplayOpens in a new window or tabBrand New$46.67Was: $54.9015% offFree shippingFree returnsSave up to 30% when you buy morezjjoytech_2 (1,378) 99.3%
- Cool Mist Humidifiers for Bedroom Large Room 8L Ultrasonic Top Fill HumidifierOpens in a new window or tabBrand New$69.99Free 2-4 day shippingFree returnsSave up to 20% when you buy morejoytech_healthcare (8,781) 99.2%
- Portable Mini Humidifier, Colorful, Cool Mist, USB Powered. Perfect for BedroomOpens in a new window or tabBrand New$11.69Was: $12.9910% offFree shippingSave up to 15% when you buy morerbmp3580 (220) 99.1%
- Comfort Zone Humidifier Ultrasonic Portable Travel Compact Add Water BottleOpens in a new window or tabBrand New$10.99Free shippingFree returnsthekingofdeals-0054 (71,425) 97.6%
- 250ml USB Air Humidifier Essential Oil Aroma Diffuser 3D Flame Mist Home DecorOpens in a new window or tabBrand New$15.99Free shippingxifeng_1 (76) 97.5%
- New ListingUltrasonic Humidifier Diffuser Cool Mist Visible Mist Filter-Free 0.5 GallonOpens in a new window or tabBrand New$30.32Free shippingautoshop007 (0) 0%
- New ListingUltrasonic Cool Mist Travel Humidifier, WhiteOpens in a new window or tabBrand New$23.37Free shippingautoshop007 (0) 0%
- New Listing1.0 Gallon Ultrasonic Cool Mist Humidifier 500 Sq. ft Blue/WhiteOpens in a new window or tabBrand New$33.98Free shippingautoshop007 (0) 0%
- Honeywell Ultrasonic Egg Humidifier HUL545WOpens in a new window or tabOpen Box$17.99List price: $44.9960% offFree 2-3 day shippingFree returns196 soldExtra 20% off with couponTop Rated Plusbullseye_deals (326,339) 97.5%
- New ListingMini Adorable Ultrasonic Cool Mist Humidifier 0.5 GallonOpens in a new window or tabBrand New$30.03Free shippingautoshop007 (0) 0%
- Pure Enrichment PEVALHUM-G MistAire Drop Ultrasonic Humidifier, WhiteOpens in a new window or tabPre-Owned$14.99+$7.84 shippingsaint_chris_brown (6) 100%
- Pure Enrichment MistAire Ultrasonic Cool Mist HumidifierOpens in a new window or tabOpen Box$28.49Was: $29.995% offFree 2-3 day shippingFree returnsdealsbydiamond (4,478) 99.8%
- Bulb Humidifier Essential Oil Aromatherapy LED Ultrasonic Air Purifier DiffuserOpens in a new window or tabBrand New$10.48List price: $14.4828% offFree 2-3 day shippingFree returns1,780 soldSave up to 10% when you buy moreTop Rated Pluspartsdomauction (333,619) 99.4%
- New Listing2.6 L Cool Mist Ultrasonic Humidifier For Medium Size Rooms No Filter RequiredOpens in a new window or tabBrand New$23.36Free shippingautoshop007 (0) 0%
- Mini Car Air Humidifier Diffuser Essential Oil Ultrasonic Aroma Mist PurifierOpens in a new window or tabBrand New$6.99Free shippingAlmost gone43 soldszyax-24 (217) 99.1%
- Portable Mini Humidifier, 300ml Small Cool Mist Humidifier with Colorful LED NigOpens in a new window or tabBrand New$11.69Was: $12.9910% offFree shippingSave up to 15% when you buy morerbmp3580 (220) 99.1%
- Cool Mist Air Humidifier for Bedroom Large Room Essential Oils Diffuser 8L 2.GalOpens in a new window or tabBrand New$39.99Free shippingFree returnsSave up to 20% when you buy morejoytech_healthcare (8,781) 99.2%
- SEJOY 1.3 Gallon Cool Mist Ultrasonic Air Humidifier Adjustabl Remote ControlOpens in a new window or tabBrand New$46.66Was: $54.8915% offFree 2-3 day shippingFree returnsSave up to 15% when you buy morezjjoytech_1 (1,536) 99.1%
- HINIO Colorful Cool Mini Humidifier, USB Personal Desktop Humidifier for CarOpens in a new window or tabBrand New$11.69Was: $12.9910% offFree shippingSave up to 15% when you buy morerbmp3580 (220) 99.1%
- LEVOIT Classic 200S Smart Ultrasonic Cool Mist Humidifier - WhiteOpens in a new window or tabPre-Owned$10.000 bids · Time left1d 12h left (Fri, 12:30 PM)+$5.62 shippingsaspea_74 (26) 100%
- New ListingPortable Ultrasonic Humidifier, Cordless DesktoTravel up to 10-Hour RuntimeOpens in a new window or tabBrand New$22.99Free shippingfortune096 (5) 100%
- Aroma Humidifier Essential Oil Diffuser Grain Ultrasonic Air LED Aromatherapy USOpens in a new window or tabBrand New$10.99Free shipping14 soldbexonstore (317) 92.3%
- New ListingUltrasonic Humidifier LP-2110Opens in a new window or tabOpen Box$12.95+$7.15 shippingjjja8167 (232) 97.5%
- Pure Enrichment PEHUMIDIF Mistaire Ultrasonic Cool Mist Humidifier - BlueOpens in a new window or tabBrand New$11.000 bids · Time left2d 7h left (Sat, 07:20 AM)$18.99Buy It Now+$6.14 shippingch6670 (0) 0%
- Aroma Humidifier Essential Oil Diffuser Grain Ultrasonic Air LED Aromatherapy USOpens in a new window or tabBrand New$8.70 to $18.99Free shippingFree returns53+ soldTop Rated Plus813shop (338) 99.4%
- 9L Humidifier Cool Mist Top Fill Large Humidifier Remote Timer Humidity SettingOpens in a new window or tabBrand New$70.99Free 2-4 day shippingFree returnsjoytech_healthcare (8,781) 99.2%
- Humidifiers for Bedroom Large Room Office Cool Mist Air Humidifier 8L 2.11GalOpens in a new window or tabBrand New$69.99Free 2-4 day shippingFree returns130 soldSave up to 20% when you buy morejoytech_healthcare (8,781) 99.2%
- New Listing1.0 Gallon Ultrasonic Cool Mist Humidifier 500 Sq. ft Blue/WhiteOpens in a new window or tabBrand New$39.98Free shippingewiee_8 (185) 91.9%
- Holmes 0.5gal Virtually Silent Ultrasonic Cool Mist HumidifierOpens in a new window or tabBrand New$17.99List price: $42.9958% offFree 2-3 day shippingFree returnsLast one11 watchersExtra 20% off with couponTop Rated Plusbullseye_deals (326,339) 97.5%
- New Listing0.2 Gallon Personal Ultrasonic Cold Mist Humidifier Suitable For Small RoomsOpens in a new window or tabBrand New$33.99Free shippingfrom Chinagiftrome (1) 100%
- Comfort Zone Czhd20 Portable Ultrasonic Humidifier, Cool MistOpens in a new window or tabOpen Box$9.72Was: $10.8010% offFree 2-3 day shippingFree returnsTop Rated Plusbargain_deal_discounts (3,689) 99.4%
- New ListingMini Adorable Ultrasonic Cool Mist Humidifier 0.5 GallonOpens in a new window or tabBrand New$35.33Free shippingewiee_8 (185) 91.9%
- Spider Farmer 6L Air Humidifier Ultrasonic Cool Mist Humidifier for Indoor PlantOpens in a new window or tabHumidity Sensor+LED Digital Controll+4 Level Mist+PRIMEBrand New$71.99Was: $143.9850% offFree shippingFree returns138 soldspiderfarmerled-usa (2,361) 99.5%
- Air-O-Swiss AOS 7135 ultrasonic humidifier - warm or cool mist - tabletopOpens in a new window or tabPre-Owned$29.99+$6.22 shippingjwilly44 (35) 100%
- Hodiax Quiet Ultrasonic Humidifier 2-in-1 Diffuser Cool Mist Maker Whole HouseOpens in a new window or tabBrand New$17.50 to $24.50Was: $25.0030% offFree shipping85+ soldSave up to 12% when you buy moresharon_5970 (30,257) 97.8%
- New ListingPortable Ultrasonic Humidifier, Cordless DesktoTravel up to 10-Hour RuntimeOpens in a new window or tabBrand New$24.99Free shippingewiee_8 (185) 91.9%
- New ListingVicks Filter Free Plus Cool Mist Ultrasonic Humidifier - 1.2galOpens in a new window or tabBrand New$40.99Free shippingFree returnslvpue_54 (4) 100%
- Air Innovations 1.4-gal - Cool Mist Ultrasonic Digital Humidifier-WhiteOpens in a new window or tabPre-Owned$37.99Free shippingsmartstopshop (302) 97.2%
- Comfort Zone Humidifier Ultrasonic Portable Travel Compact Add Water Bottle New!Opens in a new window or tabBrand New$15.99Free shippingSave up to 15% when you buy morehot.deals24 (581) 100%
- Ultrasonic Humidifier + Air Purifier by ArtNaturals Combine Mind Body & SpiritOpens in a new window or tabBrand New$19.95Free shippingFree returnsTop Rated Plusqualitycasualluxury (1,094) 99.7%
- Pure Enrichment MistAire Ultrasonic Cool Mist Humidifier WhiteOpens in a new window or tabBrand New$37.89Free shippingurmagleyn (1,604) 100%
- New! Pure enrichment MistAire™ Ultrasonic Cool Mist HumidifierOpens in a new window or tabOpen Box$9.99+$6.14 shippingvictorlinv (63) 100%
- NEW 10 Head Ultrasonic Mist Fogger Humidifier Waterproof Ultrasonic Mist MakerOpens in a new window or tabBrand New$62.80Free shippingFree returns$5 off every $200 with couponTop Rated Plusmonatde (342) 100%
- Crane Ultrasonic Cool Mist Humidifier - Travel SizeOpens in a new window or tabBrand New$14.99Free shippingBenefits charitySave up to 10% when you buy moreaphealthbeauty (5,169) 99.5%
- New Bell+Howell Sonic HumidifierOpens in a new window or tabBrand New$7.00+$5.80 shippingreez47 (6,024) 100%
- VIVOSUN 4.5L 2-in-1 Cool&Warm Mist Air Ultrasonic Humidifier 360° Nozzle 172ft³Opens in a new window or tabBrand New$62.99Was: $69.9910% offFree shippingFree returnsSave up to 10% when you buy morevivosun-us (5,052) 98.6%
- New ListingUltrasonic Humidifier, White NewOpens in a new window or tabBrand New$33.90Free shippinggeorgeous8 (0) 0%
- Cool Mist Humidifier Home Room Light Quiet Air Purifier Diffuser Ultrasonic AirOpens in a new window or tabBrand New$17.49Free shippingFree returns94 soldSave up to 10% when you buy morefay-collection (3,074) 97.1%
- Crane Cool Mist Ultrasonic Humidifier Blue and White EE-5301 - RefurbishedOpens in a new window or tabExcellent - Refurbished$34.99Free 2-3 day shippingFree returnsTop Rated Plusamericasfactoryoutlet1 (115,520) 99.2%
- Pure Enrichment MistAire Silver Ultrasonic Cool Mist Humidifier 1.5 LOpens in a new window or tabBrand New$24.99Free shippingFree returnsthekingofdeals-0054 (71,425) 97.6%
- CraneCool Mist Humidifier Ultrasonic Air Brand New!Opens in a new window or tabOpen Box$15.99Free shippinggoomisliquidation (2,578) 98%
- EssentialOil Aroma Diffuser Aromatherapy LED Ultrasonic Humidifier Air PurifierOpens in a new window or tabBrand New$19.69Free shippingSave up to 15% when you buy morehifeneer (704) 97.1%
- Pure Enrichment MistAire Ultrasonic Cool Mist Humidifier WhiteOpens in a new window or tabBrand New$21.99List price: $39.9945% offFree 2-3 day shippingFree returnsLast one30 soldExtra 20% off with couponTop Rated Plusbullseye_deals (326,339) 97.5%
- New Listing Ultrasonic Cool Mist Travel Humidifier, WhiteOpens in a new window or tabBrand New$25.49Free shippingfortune096 (5) 100%
- Pure Mistaire Studio Ultrasonic Cool Mist Humidifier BLUEOpens in a new window or tabBrand New$19.95Free shippingFree returnsTop Rated Plusretailreseller (4,944) 99.6%
- Walgreens NEW Personal Humidifier Ultrasonic Technology Visible Cool MistOpens in a new window or tabBrand New$19.90Free 2-3 day shippinglb1295 (308) 100%
- HoMedics Cool Mist Ultrasonic Top-Fill Humidifier with AromatherapyOpens in a new window or tabBrand New$52.99List price: $99.9947% offFree 2-3 day shippingFree returns66 soldExtra 20% off with couponTop Rated Plusbullseye_deals (326,339) 97.5%
- CVS HEALTH ULTRASONIC HUMIDIFIER SOOTHING COOL MIST ( 2 COLORS CHOICE)Opens in a new window or tabBrand New$7.190 bids · Time left5d 8h left (Tue, 09:12 AM)+$5.93 shippingcaiden414 (69) 97.1%
- Aroma Humidifier Essential Oil Diffuser Grain Ultrasonic Air Aromatherapy(WHITE)Opens in a new window or tabBrand New$6.00Free shippingFree returnsswifart (1) 100%
- Humidifiers for Bedroom Large Room Office Cool Mist Air Humidifier 8L/2.11Gal USOpens in a new window or tabBrand New$69.99Free 2-4 day shippingFree returns372 soldSave up to 15% when you buy morejoytech_healthcare (8,781) 99.2%
- Geniani huron ultrasonic cool mist Humidifier 1.05 Gal G-1011-4LW CoverOpens in a new window or tabPre-Owned$6.75Was: $9.0025% off+$16.25 shippingFree returnsExtra 10% off with couponTop Rated Plusyana_syde (1,168) 100%
- Items Per Page