AIRMEGA Max 2 Air Purifier Replacement Filter Set for 300/300S. The filter lifespan indicator will tell you when it’s time to change the Max2 Filter. Unlike other air purifiers, Airmega gauges the lifespan of our filters are based on usage, not time. *Based on normal air and operating conditions. The actual lifespan of the Max2 Filter will be determined by indoor air quality and operation of the unit.

MAX2 Filter Technology: A unique all-in-one filter system that combines Green True HEPA Filter technology with an Activated Carbon Filter. Green True HEPA: Traps airborne particles as small as 0.3 microns in size and is treated by natural materials (Ginkgo Extract and Japanese Sumac Extract which are used in anti-allergy and anti-virus treatments). Activated Carbon: Effective removes harmful gases, VOCs, and even odors.