The Atem Personal Air Purifier replacement filter features patented HyperHEPA filtration technology. The Atem filter lasts up to a year for long-lasting, purified air all year-round.

Four post-filter sleeves compatible with the GCX Series of air purifiers. They eliminate activated carbon and chemisorption abrasion particles through a charged fiber structure. The average filter life is approximately 2 years & 4 months (based on average daily usage).

A set of four post-filter sleeves (F3) is used to control fine and ultra-fine particulate matter. The media type is electrostatically charged fiber, covering a surface area of 5.4 sq.ft. (0.5 m²). The average filter life is approximately 2 years & 4 months (based on average daily usage of 10h on speed 3).