Topwell Gas and Odor replacement filter for HealthPro Plus air purifier (2nd stage).
Complements the PreMax Pre-Filter (1st stage) and the HyperHEPA Filter (3rd stage)
The cellular structure activated carbon adsorbs to eliminate odors, chemicals and gases caused by smoke, smog, foods,pets,diesel fuel, VOCs, formaldehyde and more.
Activated carbon stops re-releasing harmful chemicals back into the air.
Package contains 1 filter. Recommended to replace the filter on average 2 yeas or based on usage.