Air Purifier: Outer Replacement Cartridge
This filter contains the first 2 stages of air purification:
This filter is labeled in the picture at right as The First Gas Absorption Layer AND The 5 Micron Prefilter
STEP ONE: Cleans the Air of Macro Particles
A treated (to prevent mold and bacterial growth in these filters) 5 micron pre-filter removes all particles from the air larger than 5 microns, extending the life of the HEPA filter and protects the gas absorbing media from dust coating and fouling.
STEP TWO: Removes Toxic Chemicals and Gases
A specially formulated gas absorption media removes exhaust fumes, organic hydrocarbons, pesticides, formaldehyde from particle board used in home construction, paint solvents, chlorine, cleaning chemicals and other potentially toxic fumes.
We recommend this filter be replaced every 4 to 6 months when in use with companion birds.
For an in depth presentation of information (based on 15+ years of studies) detailing why we recommend and use this air purification system for ourselves and our companion birds' better health please read the article What is in the air? by clicking on the underlined link.
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