KNKA APH4000 HEPA Air Purifier
- Amazon now offers the KNKA APH4000 Air Purifier with HEPA, now $142.49 (regularly $259.99).
- Prime members get free two-day shipping, and regular members get free shipping on orders over $35 within the contiguous U.S.
- Buy >>
Editor's Pick: This air purifier is AHAM-certified, featuring a smoke/dust/PM2.5 CADR of 226 CFM and a pollen CADR of 244 CFM for reliable purification. With dual front intake and side exhaust design, it achieves 4.8 air changes per hour in a 350 sq ft room and 1 air change per hour in a large 1,695 sq ft space. Equipped with a three-in-one filtration system including a washable pre-filter, True HEPA filter, and activated carbon filter, it captures pet hair and fine particles. The pet mode is designed to handle pet dander and odors with 30-minute quick purification; ECO mode automatically enters standby when air quality is good to extend filter life. Sleep mode operates as low as 22-24 decibels, paired with real-time AQI display and auto mode for all-day use.
