Kalsten | Air Humidifier White LED Mist Diffuser
Improve Air Quality with a Cool Mist Humidifier
The cool mist humidifier improves your indoor air by adding moisture to dry environments. This helps to boost your breathing comfort, protect your skin from dryness, and promote better sleep and relaxation. With its large 3000ml capacity, this device ensures continuous misting for hours without frequent refills.

Why Choose the Cool Mist Humidifier?
- Improves skin hydration — Adds moisture to the air, helping with dry skin, lips, and hair.
- Relieves asthma and allergies — Moist air soothes nasal passages and supports easier breathing.
- Prevents illness — Helps reduce symptoms of colds, flu, and congestion by easing sinus dryness.
- Multiple misting modes — Choose from continuous, intermittent, or alternating spray options.
- Easy operation — Fill with water, close the lid, plug in, and press the button to start.
- Wide coverage — Dual nozzles distribute mist across rooms up to 20 m².

Specifications
- Water tank capacity: 3000ml
- Coverage area: up to 215 sq. ft. (20 m²)
- Misting modes: Continuous / Intermittent / Alternating
- Noise level: Whisper-quiet
- Power source: USB powered
- Auto shut-off: Yes, when water runs low
What's in the Box?
- 1 × Cool Mist Humidifier
- 1 × USB Charging Cable
- 1 × User Manual
Free standard shipping on all orders. No minimum purchase.
- Ships to: United States
- Processing: 1–4 business days (Mon–Fri)
- Transit: 5–10 business days
- Total delivery time: 6–14 business days
- Order cut-off: 5:00 PM PST
You will receive a tracking number by email once your order ships. Please allow up to 48 hours for tracking to update.
See our full Shipping Policy.
You have 14 days from delivery to request a return.
- Email support@open.shop with your order number to start a return.
- Items must be unused, complete, and in their original packaging.
- Return label: flat $9.99 USD, deducted from your refund — nothing to pay upfront.
- Damaged, defective or incorrect items: we cover all return and replacement costs.
- No restocking fees.
- Exchanges: contact us and mention "exchange" — the new item ships once your return arrives.
- Refunds are issued within 7 business days of inspection.
See our full Return Policy.
Questions about your order or our products? We're happy to help.
Open
Hooizolder 214
Drachten Friesland 9205CD
Netherlands
Email: support@open.shop
Customer Service:
Monday to Friday, 8:00 AM – 6:00 PM PST (excluding public holidays)
We reply to all messages within 24 hours on business days. Weekend messages are answered on Monday.
For quick answers, visit our FAQ page or use our Contact Form.