Description
xOverview
The KOIOS K03 is built for open living spaces, large bedrooms, dorms, and multi-room homes, delivering thorough air cleansing across up to 2400 square feet. It also doubles as an aromatic diffuser, adding a gentle fragrance that can enhance your daily environment without overpowering the room.
Why choose KOIOS K03
- 3-in-1 washable HEPA filter with a detachable pre-filter makes maintenance simpler. A dedicated filter indicator helps you stay on schedule, and replacing the filter is quick after a long-press RESET to complete installation.
- Whisper-quiet operation with a 22 dB Sleep Mode keeps bedrooms calm, supporting restful nights while the unit runs in the background.
- Child and pet safety features, including a lock and a 3-speed manual option, allow flexible control in homes with kids and animals.
Smart, versatile air care
- Real-time air quality sensing automatically adjusts fan speeds, so you don’t have to micromanage settings—great for busy households and office spaces.
- 2-in-1 functionality with an aromatherapy diffuser lets you add essential oils to release a pleasant aroma, helping to neutralize cooking or pet odors and keep the air feeling fresh.
- Ergonomic concave design enables easy movement from room to room, while a 4-level timer (2H/4H/6H/8H) supports energy savings without sacrificing convenience.
Safety, certifications, and support
Engineered with high safety standards, the KOIOS K03 is CARB, ETL, DOE, and FCC certified. It produces no ozone and uses no UV light, prioritizing safe operation for homes and offices. If you have questions, our team typically responds within one business day. Official replacement filters are available through the QR code provided with the unit.
FAQ
Q: What spaces is the KOIOS K03 best suited for?
A: The KOIOS K03 covers up to 2400 sq ft, ideal for large living rooms, open-plan homes, dorms, and multi-room setups.
Q: What safety and maintenance features does it offer?
A: It includes a washable pre-filter, auto air quality sensing, a child/pet lock, and safety certifications with official replacement filters.
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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