• Nispira premium activated charcoal pre filter replacement. A pack of 4 filters
• Compatible with Fellowes AeraMax Model 190, 200, DB55, DX55 Air Purifier. Compared to part 9324101
• Activated charcoal pre filter help deodorizing the unfavorable household smell such as smoke, cooking etc.
• It also help to extend HEPA filter life span by capturing the large particle such as hair and dust.

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