Kalsten | FreshFlow Compact HEPA Air Purifier for Bedrooms
Compact Air Purifier Featuring HEPA Filtration for Improved Indoor Air Quality
This air purifier effectively eliminates dust, pollen, and unpleasant smells from your home. Tailored for small to medium-sized spaces, it integrates a 3-stage filtering system with silent operation and intuitive touch controls to provide fresh and clean air consistently.
Enhanced 3-Stage Filtration System
This air purifier employs a pre-filter, a HEPA filter, and an activated carbon layer to trap particles of different sizes. It captures up to 99.97% of airborne contaminants, such as pet fur, pollen, and tiny dust particles, and aids in neutralizing smoke and common home smells.
Quiet and Energy-Saving Performance
Operating at a low noise level of just 28dB, this purifier is quiet enough for nighttime use. Its energy-efficient design consumes very little power, making it perfect for ongoing use in bedrooms, workspaces, or nurseries.
User-Friendly Touch Controls and Timer Feature
The touch control panel offers straightforward management of three fan speeds and timer settings of 1, 2, 4, or 8 hours. An indicator light will alert you when it's time to change the filter to maintain optimal effectiveness.
Product Details
- Coverage Area: 58.1 ft² (approximately 200 sq. ft.)
- CADR Rating: 1589.1 ft³/hour
- Noise Level: 28–50 dB
- Filtration System: 3-Stage (Pre/HEPA/Carbon)
- Timer Options: 1/2/4/8 hours
- Fan Speed Settings: 3 levels
- Power Source: Electric
- Special Feature: Ionizer
- Control Type: Touch Panel
- Operating Mode: Manual / Timer
- Size Classification: Compact
- Particle Removal Rate: 99.97%
Included in the Package
- 1 × Air Purifier with HEPA Filter
- 1 × User Manual
Common Inquiries
Q: Which room size is appropriate for this purifier?
A: It is designed for spaces up to around 2152.7 square feet or 5.4 square meters.
Q: Does it effectively remove pet hair and odors?
A: Absolutely, the pre-filter and carbon layer efficiently trap pet hair and eliminate odors.
Q: How frequently should I change the filter?
A: The unit will notify you when a change is required, usually every few months based on usage.
Q: Is it noisy during operation?
A: No, it features a whisper-quiet mode that runs at only 28dB, making it suitable for bedrooms or workspaces.
Q: Can it be set to turn off by itself?
A: Yes, the timer functionality includes options for automatic shutoff after 1, 2, 4, or 8 hours.
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 CET
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 CET (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.
