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Title: Do not buy this
Review: This air filter was really sexy and cool when I bought it, but it was created with the arrogant notion (remnant of White Star Lines idea that the Titanic was unsinkable) that the filter never needs replacing. The result of this idiotic design principle was that the manufacturer never made stocked replacement filters. The device is now discontinued. If you for some reason decide to replace the filter in this unit, FORGET IT!!! You're screwed, and no you can't find a similarly sized filter anywhere else either.
