Close up pattern of a clean air furnace or air conditioning filter.

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Size: 8256px × 5504px
Location: United States
Photo credit: © Dan Totilca / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: ac, air, background, bacteria, breathing, change, clean, cleaner, cleaning, cold, conditioning, dust, environment, fan, fibers, filter, furnace, health, healthy, heating, home, household, indoor, lungs, machine, macro, metal, natural, nature, particles, pollution, smoke, technology, texture