Add to favorites
MONISEN 17L/4.5Gal Humidifier Large Room, Smart Quiet Ultrasonic Cool Mist Humidifiers for Bedroom, Covers 2000ft², 56H Runtime, 24H Timer, 3 Mist Modes Humidifiers for Home, Office, Plants, Black by MONISEN - Used condition

MONISEN 17L/4.5Gal Humidifier Large Room, Smart Quiet Ultrasonic Cool Mist Humidifiers for Bedroom, Covers 2000ft², 56H Runtime, 24H Timer, 3 Mist Modes Humidifiers for Home, Office, Plants, Black

Brand: MONISEN

Condition: Used
$8207
$17310
-53% Save $9103
Updated: 4 hours 46 mins ago

Description

【17L Large Capacity Humidifier & 56H Runtime】Engineered with a 17L large water tank, the MONISEN humidifier delivers up to 56 hours of long-lasting humidification on low mode, effortlessly covering spaces of up to 2000 sq ft. It ensures continuous comfort in bedrooms and offices, helping maintain comfortable humidity levels for your space and your indoor plants

【Powerful Mist & 3 Adjustable Modes】Harness the power of ultrasonic cool mist technology with a strong 600mL/h output, ensuring optimal humidity levels for any room. Choose from 3 adjustable mist modes—low (300mL/h), medium (400mL/h), and high (600mL/h)—to adjust the mist intensity to your room size and personal preference. Perfect for humidifiers for bedroom or large living areas

【Customizable Humidity & Smart Operation】Our home humidifier can adjust the humidity level, mist intensity and set the timer through the Tuya app, control panel or remote control. The remote works within a 15-foot range, enabling control from any corner of the room. With a built-in humidity sensor, you can adjust humidity levels between 40% and 90% in 5% increments, ensuring comfortable and stable air

【Smart 24-Hour Timer & Automatic Safety Shut-Off】Take control of your humidifier’s operation with a flexible 1-24 hour timer that suits your schedule. The built-in auto shut-off feature adds an extra layer of safety by turning off the humidifier when the water level is low, protecting the device and providing peace of mind

【Quiet Sleep Mode & Aroma Diffuser】Savor restful sleep with our quiet humidifier, operating at just 46 dB—perfect for bedrooms and living rooms. It also serves as an aroma diffuser; simply add your favorite essential oil to create a relaxing ambiance. Ideal for offices, yoga studios, study areas

【Reliable Support & Hassle-Free Service】We are committed to providing stylish, feature-rich products and ensuring your satisfaction. Enjoy the 24/7 customer support. Reach out via the order detail page for any questions, and we'll respond within 24 hours. Choose us as your home helper

Our 17L ultrasonic humidifier is tailor-made for large rooms—master bedrooms, open-concept living areas, or even small offices—effortlessly covering up to 2000 sq. ft. It runs continuously for up to 56 hours on a single fill. Powerful yet flexible, it delivers a robust 600mL/H mist output with 3 adjustable levels to match your needs. Smart convenience is at your fingertips: Remote control: Adjust settings from the couch, bed, or desk—no need to get up. Built-in humidity sensor: Automatically maintains your desired humidity level (40%-90%) for hands-free precision. 1-24 hour timer: Set it to run while you sleep, work, or away—customize to your schedule. Rest easy with its ultra-quiet sleep mode (≤46dB)—so quiet, it won’t disrupt your bedtime routine or your baby’s naps. Plus, it doubles as an essential oil diffuser: add a few drops of oil to fill the air with soothing scents. Its top-fill design lets you pour water directly into the tank. Whether in the bedroom, living room, or office, this humidifier can create a balanced and comfortable environment for you.

Sold by

Amazon Warehouse

Verified Retailer

Official Amazon outlet for open-box & returned items

  • Backed by Amazon's A-to-Z Guarantee
  • 30-day return policy
  • Ships from Amazon fulfillment centers
  • Price verified on Amazon

Product Details

SKU:
awhd-us-b0fk5852cw
Model:
HQ-JS2303-01
Country:
US
ASIN:
B0FK5852CW
UPC:
797725338661

Shopping Smarter

Common questions about buying open-box and refurbished.

Why buy refurbished or open-box?
Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $91 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.
What's the difference between open-box and refurbished?
Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.
Why use OpenBoxFox?
Finding refurbished deals is time-consuming — you'd have to check Amazon Warehouse, Reebelo, Dyson Outlet, and others separately for MONISEN products. OpenBoxFox aggregates these listings in one place, so you can compare and find the best deal without the legwork. We update pricing daily so you always see current availability and real savings.
Is it safe to buy refurbished?
Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.

Sign in to save items

Save favorites and get alerts when prices drop.

or

We'll email you a link to sign in instantly — no password needed.