13,000+ results for ultrasonic humidifier
- Westinghouse 28 inch Cool Mist Ultrasonic Tower HumidifierOpens in a new window or tabOpen Box$32.99ppr (227) 97.5%Free shippingFree returns
- NEW HoMedics TotalComfort Rechargeable Personal Portable Ultrasonic HumidifierOpens in a new window or tabBrand New$6.04huntandpeckauctionsnh (24,451) 98.7%+$6.70 shippingAlmost gone13 sold
- Top Fill Humidifiers Bedroom Home 4L Baby Ultra Quiet Warm Cool Mist HumidifierOpens in a new window or tabBrand New$27.96Save up to 20% when you buy moreWas: $69.90 60% offzjjoytech_1 (1,399) 99.2%Free shippingFree returns28 watchers
- Westinghouse Ultrasonic Humidifiers - Adjustable Mist Output for Home and OfficeOpens in a new window or tabBrand New$25.00 to $61.99Save up to 20% when you buy moreppr (227) 97.5%Free shipping
- Aroma Humidifier Essential Oil Diffuser Grain Ultrasonic Air LED AromatherapyOpens in a new window or tabBrand New$6.99walden-3 (3,448) 98.2%Free shipping
- Aroma Humidifier Essential Oil Diffuser Grain Ultrasonic Air LED Aromatherapy USOpens in a new window or tabBrand New$7.35 to $7.95Save up to 10% when you buy morehappymall_a (1,784) 99.1%Free shippingFree returns563+ sold
- Levoit Classic 300 Ultrasonic Smart Humidifier WhiteOpens in a new window or tabOpen Box$32.99Extra 20% off with couponList price: $80.99 59% offTop Rated Plusbullseye_deals (315,751) 97.5%Free 2-3 day shippingFree returns114 sold
- Holmes 0.36gal Antimicrobial Top Fill Ultrasonic Cool Mist HumidifierOpens in a new window or tabOpen Box$11.99Extra 20% off with couponList price: $29.99 60% offTop Rated Plusbullseye_deals (315,751) 97.5%Free 2-3 day shippingFree returns103 sold
Picked For You
Sponsored | Top selling items from highly rated sellers with free shipping- Cool Mist Humidifiers for Bedroom Large Room 8L Ultrasonic Top Fill HumidifierOpens in a new window or tabBrand New$39.99 to $69.99Save up to 20% when you buy morejoytech_healthcare (8,552) 99.2%Free shippingFree returns72+ sold
- Vicks Filter Free Plus Cool Mist Ultrasonic Humidifier - 1.2galOpens in a new window or tabOpen Box$18.95Extra 20% off with couponList price: $45.99 59% offTop Rated Plusbullseye_deals (315,751) 97.5%Free 2-3 day shippingFree returns374 sold
- SEJOY 8L Cool Mist Ultrasonic Humidifier Essential Oil Large Room Remote ControlOpens in a new window or tabBrand New$59.98Top Rated Pluswoho_great230206 (880) 99.1%Free shippingFree returns54 sold
- Comfort Zone Humidifier Ultrasonic Portable Travel Compact Add Water BottleOpens in a new window or tabBrand New$10.99thekingofdeals-0054 (71,167) 97.6%Free shippingFree returns
- Hodiax 4L Home Bedroom Large Cool Mist Air Purifier Ultrasonic HumidifierOpens in a new window or tabBrand New$24.45Save up to 13% when you buy moreWas: $28.43 14% offsuperdriveautoaccessories (3,347) 97.6%Free shipping221 sold
- BETTER HOMES & GARDENS PERSONAL ULTRASONIC HUMIDIFIEROpens in a new window or tabPre-Owned$14.63lakeeriedeals (3,130) 99.7%Was: $16.80 13% offFree shippingFree returns
- SEJOY 8L Cool Mist Ultrasonic Humidifier Essential Oil Large Room Remote ControlOpens in a new window or tabBrand New$35.95Save up to 15% when you buy moreWas: $71.90 50% offTop Rated Pluszjjoytech_2 (1,123) 99.2%Free shippingFree returns
- SEJOY 5L Cool Mist Humidifier Essential Oil Remote Control LED DisplayOpens in a new window or tabBrand New$30.20Save up to 30% when you buy moreWas: $54.90 45% offzjjoytech_2 (1,123) 99.2%Free shippingFree returns
- Honeywell Ultrasonic Egg Humidifier HUL545WOpens in a new window or tabOpen Box$17.99Extra 20% off with couponList price: $44.99 60% offTop Rated Plusbullseye_deals (315,751) 97.5%Free 2-3 day shippingFree returns194 sold
- NEW Acare Small 2.5L Cool Mist Ultrasonic Humidifier with 360 Rotation NozzleOpens in a new window or tabBrand New$20.46Top Rated PlusWas: $22.00 7% offpearlroadproducts (1,559) 100%Free shippingFree returns9 watchers
- 1500ML Aroma Air LED Essential Oil Diffuser Ultrasonic Aromatherapy HumidifierOpens in a new window or tabOpen Box$21.99Save up to 8% when you buy morelinlinstore90 (549) 99.1%Free shippingFree returns
- HoMedics Personal Portable HumidifierOpens in a new window or tabBrand New$4.49heeme_37 (1,754) 99.4%+$7.20 shipping3 watchers
- HoMedics New Ultrasonic HumidifierOpens in a new window or tabOpen Box$15.99Extra 20% off with couponList price: $39.99 60% offTop Rated Plusbullseye_deals (315,751) 97.5%Free 2-3 day shippingFree returns
- Crane EE-5951 0.2 Gal. Ultrasonic Cool Mist Humidifier - Blue and WhiteOpens in a new window or tabOpen Box$14.99kjmc2013 (658) 100%Free shippingFree returns
- Bell and Howell Sonic Breathe Ultrasonic Personal Humidifier Portable Silent NEWOpens in a new window or tabBrand New$15.00curdas_0 (918) 99.4%Free shipping
- 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+DEALBrand New$79.99spiderfarmerled-usa (2,344) 99.5%Was: $159.98 50% offFree shippingFree returns135 sold
- New ListingPortable Ultrasonic Humidifier, Cordless DesktoTravel up to 10-Hour RuntimeOpens in a new window or tabBrand New$22.99toloecds (1) 66.7%Free shipping
- Comfort Zone Humidifier Ultrasonic Portable Travel Compact Add Water BottleOpens in a new window or tabPre-Owned$9.99kpowers41 (156) 98.9%+$6.12 shipping
- Comfort Zone Czhd20 Portable Ultrasonic Humidifier, Cool MistOpens in a new window or tabOpen Box$10.80Top Rated Plusbargain_deal_discounts (3,613) 99.5%Free shippingFree returns
- Aroma Humidifier Essential Oil Diffuser Grain Ultrasonic Air LED Aromatherapy USOpens in a new window or tabBrand New$5.44bexonstore (314) 100%Free shipping
- 4L Air Cool Mist Ultrasonic Humidifier Aroma Essential Oil Home Office DiffuserOpens in a new window or tabBrand New$24.54Save up to 8% when you buy moreWas: $30.68 20% offsjrio-51 (6,578) 97.9%Free shipping174 sold
- SEJOY Ultrasonic Humidifiers For Bedroom Room Office Cool Mist Air Humidifier 5LOpens in a new window or tabBrand New$19.99woho_great230206 (880) 99.1%Free shippingFree returns30 sold
- SEJOY 8L Air Humidifier for Bedroom Ultrasonic Cool Mist Essential Oil DiffuserOpens in a new window or tabBrand New$34.00woho_great230206 (880) 99.1%Free shippingFree returns24 watchers
- SEJOY 8L Cool Mist Ultrasonic Humidifier Essential Oil Large Room Remote ControlOpens in a new window or tabBrand New$71.99Save up to 15% when you buy morewoho_great230206 (880) 99.1%Free shippingFree returns
- Mini Car Air Humidifier Diffuser Essential Oil Ultrasonic Aroma Mist PurifierOpens in a new window or tabBrand New$6.99szyax-24 (153) 98.1%Free shippingAlmost gone20 sold
- CVS Portable Ultrasonic Humidifier Cool Mist - TRAVEL SIZE! Allergies, Cold,FluOpens in a new window or tabBrand New$16.992010alcoll (1,131) 99.4%Free shipping2 watchers
- Aroma Humidifier Essential Oil Diffuser Grain Ultrasonic Air LED Aromatherapy USOpens in a new window or tabBrand New$8.70 to $18.99Top Rated Plus813shop (315) 99.4%Free shippingFree returns53+ sold
- New ListingCool Mist Ultrasonic Humidifier with Essential Oil TrayOpens in a new window or tabBrand New$29.31huiyong003 (77) 100%Free shipping
- New Listing Ultrasonic Cool Mist Travel Humidifier, WhiteOpens in a new window or tabBrand New$25.49foedlook (1) 66.7%Free shipping
- Essential Aroma Oil Diffuser for Large Room Ultrasonic Aromatherapy 500 mlOpens in a new window or tabBrand New$23.99Save up to 20% when you buy moreevokedrive (5,502) 97.8%Free shippingFree returns235+ sold
- Portable Mini Humidifier, Colorful, Cool Mist, USB Powered. Perfect for BedroomOpens in a new window or tabBrand New$11.69Save up to 15% when you buy moreWas: $12.99 10% offrbmp3580 (206) 99%Free shipping
- SEJOY 4L Large Humidifier Bedroom Cool Mist Remote Control Timer Frosted BlueOpens in a new window or tabBrand New$22.99woho_great230206 (880) 99.1%Free shippingFree returns
- 12-LED Ultrasonic Mist Maker Fogger Water Fountain Pond Atomizer Air HumidifierOpens in a new window or tabBrand New$10.44Save up to 10% when you buy moreWas: $10.99 5% offtumin_53 (1,542) 99%Free shipping104 sold
- New ListingUltrasonic Humidifier Diffuser Cool Mist Visible Mist Filter-Free 0.5 GallonOpens in a new window or tabBrand New$33.67foedlook (1) 66.7%Free shipping
- New Listing220Ml Air Humidifier Car Ultrasonic Aroma Essential Oil Diffuser Cool Mist FoggeOpens in a new window or tabBrand New$12.81amazon-discount (15) 94.1%Free shipping
- Crane Ultrasonic Cool Mist Humidifier 25.6 Oz Blue and WhiteOpens in a new window or tabBrand New$18.00Top Rated PlusWas: $20.00 10% offbrowndogretail (6,752) 99%Free 2-4 day shippingFree returns
- CVS Health Portable Mini Ultrasonic Humidifier Cool Mist 10 Hours Operation NEWOpens in a new window or tabBrand New$19.002ndtimesacharm (32) 100%Free shipping
- Holmes 0.5gal Virtually Silent Ultrasonic Cool Mist Humidifier BUL827TGOpens in a new window or tabPre-Owned$14.99simpsonsgarage (110) 98.9%Free shippingFree returns
- Spider Farmer 6L Ultrasonic Cool Mist Humidifier Air Humidifier for Plant GrowOpens in a new window or tab✅6L✅Top Fill✅4 Mist Levels✅Auto Shut-Off✅ebaydealBrand New$79.99spiderfarmer-sf (925) 100%Was: $179.98 56% offFree shippingFree returns60 sold
- New ListingMini Adorable Ultrasonic Cool Mist Humidifier 0.5 GallonOpens in a new window or tabBrand New$33.33toloecds (1) 66.7%Free shipping
- New ListingHomedics Humidifier UHE-CM58 TotalComfort® Adjustable Mist Ultrasonic HumidifierOpens in a new window or tabOpen Box$21.99Top Rated Plusgingr12 (3,676) 99.9%+$6.71 shippingFree returns
- 300ML LED Essential Oil Diffuser Ultrasonic Aromatherapy Humidifier NEWOpens in a new window or tabBrand New$4.25rotecc (218) 97.8%Was: $5.00 15% off+$4.13 shippingLast one3 watchers
- LED Ultrasonic Humidifier Air Purifier Essential Oil Aroma Diffuser AromatherapyOpens in a new window or tabBrand New$10.49 to $30.56Save up to 12% when you buy moreebestshop4u (457,161) 99.3%Free shipping35+ sold
- 3.7L Tank Easy Top-Fill 3 Mist Ultrasonic Cool Mist Humidifier WhiteOpens in a new window or tabOpen Box$15.00realdeals_16 (23) 89.7%+$8.30 shipping
- New Listing0.6 Gallon Natural Care Cool Mist Ultrasonic Humidifier, 200 sq ft, WhiteOpens in a new window or tabBrand New$37.99toloecds (1) 66.7%Free shipping
- LED Ultrasonic Aroma Diffuser Air Aromatherapy Purifier Essential Oil HumidifierOpens in a new window or tabBrand New$10.99Save up to 11% when you buy moregustavedesign (15,105) 99.4%Free shipping116 sold
- Pure Enrichment Mistaire Studio Ultrasonic Cool Mist Humidifier MAKE OFFEROpens in a new window or tabBrand New$19.99Save up to 20% when you buy moremamasamaa (486) 99.1%Free shippingLast one14 sold
- 250ml USB Air Humidifier Essential Oil Aroma Diffuser 3D Flame Mist Home DecorOpens in a new window or tabBrand New$22.99Save up to 15% when you buy moreallinonebest (3,159) 98.2%Free shipping
- New Listing1.0 Gallon Ultrasonic Cool Mist Humidifier 500 Sq. ft Blue/WhiteOpens in a new window or tabBrand New$37.98foedlook (1) 66.7%Free shipping
- New Listing200ML Ultrasonic Mini Air Humidifier Essential Oil Diffuser for Car USB Fogger MOpens in a new window or tabBrand New$6.69amazon-discount (15) 94.1%Free shipping
- 250ml USB Air Humidifier Essential Oil Aroma Diffuser 3D Flame Mist Home DecorOpens in a new window or tabBrand New$19.98Save up to 10% when you buy moreList price: $32.48 38% offTop Rated Plusnsioutlet (525,700) 99.3%Free shippingFree returns732 sold
- Holmes 0.5gal Virtually Silent Ultrasonic Cool Mist HumidifierOpens in a new window or tabOpen Box$15.99Extra 20% off with couponList price: $39.99 60% offTop Rated Plusbullseye_deals (315,751) 97.5%Free 2-3 day shippingFree returns
- Pure Enrichment Hume Ultrasonic Cool Mist Humidifier 3.5L Water Tank *NEW*Opens in a new window or tabBrand New$4.99soccman56 (4,519) 99.3%2 bids · Time left1d 7h left (Sun, 08:50 AM)+$6.79 shipping
- Vicks VUL545D 1 Gallon Filter Free Cool Mist Ultrasonic Humidifier, 200 sq ft,Opens in a new window or tabWhiteBrand New$20.00vipoutlet (454,414) 96.9%List price: $41.96 52% offFree shippingFree returnsAlmost gone56 sold
- CarePod 31S Stainless Steel Ultrasonic Cool Mist Humidifier Whisper- Easy CleanOpens in a new window or tabBrand New$150.00bluerivian (2) 100%0 bids · Time left1d 15h left (Sun, 04:37 PM)+$38.58 shipping
- **NEW** Crane Droplet Ultrasonic Cool Mist Humidifier Blue/WhiteOpens in a new window or tabBrand New$25.00ebon_1761 (283) 98.7%Free shipping
- Pure Enrichment MistAire Silver Ultrasonic Cool Mist Humidifier 1.5 LOpens in a new window or tabBrand New$24.99thekingofdeals-0054 (71,167) 97.6%Free shippingFree returns
- CAREPOD 21P Ultrasonic Cool Mist Humidifier, Whisper Quiet & Filter-Free 2.8LOpens in a new window or tabBrand New$69.99haracenter3 (29,104) 99.2%Free shipping3 watchers
- 3000ml Dual Jet Air Humidifier Large Capacity Atomizer Ultrasonic Aroma DiffuserOpens in a new window or tabBrand New$24.99arms_590 (87) 97.5%Free shipping1+ watchers
- New ListingTreva Drop Light Humidifier USB Powered Misting Functions & Color-Changing LightOpens in a new window or tabBrand New$12.99Top Rated Pluswildwillysonlinestore (738) 99.5%Free shippingFree returns
- TaoTronics 4L Ultrasonic Humidifier Cool Mist Diffuser Atomizer LCD DisplayOpens in a new window or tabBrand New$31.95cornerblitz1 (1,068) 98.5%Free shipping
- New ListingUltrasonic Humidifier LP-2110Opens in a new window or tabOpen Box$15.95jjja8167 (158) 98.2%+$7.15 shipping
- Cool Mist Ultrasonic Humidifier | For Medium Size Rooms | 24 Hour Run TimeOpens in a new window or tabBrand New$32.68juanlian-399 (1) 100%Free shipping
- Portable Ultrasonic Humidifier, Cordless, Desktop, Travel, up to 10-Hour RuntimeOpens in a new window or tabBrand New$22.89yunrongchunpin_11 (13) 93.3%Free shipping
- Winix 0.6 Gallon Ultrasonic Humidifier w/ Night Light - WhiteOpens in a new window or tabBrand New$6.99munieca1886 (960) 100%+$9.95 shipping
- Ultrasonic Mist Maker Pond Fogger Machine 12-Head For Hydroponics Landscape saleOpens in a new window or tabBrand New$98.81$5 off every $200 with couponWas: $104.01 5% offTop Rated Plussellqualitydevices (451) 100%Free shippingFree returns89 sold
- VIVOSUN 4L Air Cool Mist Ultrasonic Humidifier Essential Oil Diffuser 183ft³Opens in a new window or tabBrand New$43.69Extra 15% off with couponWas: $45.99 5% offvivosun-us (4,903) 98.5%Free shippingFree returns
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