1
8
Description
xOverview
Meet the XBWW APH4000 replacement filter set, designed for KNKA APH4000 purifiers and large rooms up to 3,500 ft². This 4-pack combines a 2-in-1 filtration system with aroma pads to offer flexible air care without complicating maintenance.
2-in-1 filtration for cleaner-looking air
The replacement filters feature a true H13 HEPA layer paired with a loose-fill activated carbon layer. They target fine particles like pollen, dust, and pet dander while addressing household odors. The carbon design uses loose pellets to maximize surface area for adsorption, delivering stronger odor control without extra effort.
What’s included in this upgrade
- Four KNKA APH4000-compatible replacement filters
- Extra six aroma pads for scent customization
- Non-woven HEPA fabric and honeycomb activated carbon structure for efficient filtration
- Easy, tool-free installation and a recommended replacement interval of 6–12 months
Why it may fit your space
- Large-room coverage up to 3,500 ft² supports open living areas and home offices
- Odor absorption and air freshness benefits suitable for households with kids and pets
- Energy-conscious design with efficient filtration and balanced airflow
Tips for upkeep
To maintain performance, inspect filters for buildup and follow the replacement schedule. Rotate among the four filters to balance use, and replace aroma pads as desired.
Support from XBWW
XBWW is committed to quality parts and responsive service. If you encounter a quality issue with the APH4000 filters, reach out and we’ll assist you promptly.
FAQ
Q: What’s included in the XBWW APH4000 4-pack?
A: Four replacement filters compatible with KNKA APH4000, plus six aroma pads for customizable scent.
Q: How often should I replace the APH4000 filters?
A: Replace every 6–12 months under normal use for best performance.
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.
- Choosing a selection results in a full page refresh.