4 customized styles replacement filter available, compatible with Core 400S air purifier.
Exclusive Replacement Filter: Officially designated replacement filter to keep your Levoit Core 400S air purifier at its best working efficiency and capacity.
3-Stage Filtration: Capturing at least 99.97% of airborne particles 0.3 microns in size, such as dust, smoke, pollen, odor.
Track Filter Condition on Your Phone: Keep a close eye on your filter life with the Vesync app.
1 x True HEPA 3-Stage Original Filter