Nispira 3-in-1 True HEPA filter with Activated carbon filter replacement compatible with Puroair 240 air purifier
High quality HEPA filter capture 99.97% of airborne particles down to 0.3 microns.
Activated charcoal help deodorizing the unfavorable household smell
such as smoke from cigarette, cooking smell, pet smell or chemical etc.
Preliminary filter helps extend HEPA filter life span by preventing hair, dust and debris from entering.
2 filter included. Suggest replacing the HEPA filter every 6 months for
optimizing performance and best result. HEPA filter dimension: 7.5" x
7.5" x 5.75"