Sterra Nova™ True HEPA-11 Filter (2-in-1)
- Removes up to 99.97% of all airborne particles including deadly viruses and secondhand smoke
- It’s the same filter grade hospitals use to decontaminate their rooms
- Exclusive filter replacement for your Sterra Nova Air Purifier
- Makes your air at home fresh and healthy for up to one to 1 ½ year