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Take it out as well as dunk it into a clean container that's full of water as well as mild meal soap. Scrub with a washcloth to get rid of any dust or dust, then wash it under water to eliminate any soap residue. Lay the filter on a dry, clean towel as well as allow it air completely dry totally prior to you place it back in the concentrator. http://robuststompinggrounds473.bravesites.com/entries/general/high-volume-oxygen-how-much-does-oxygen-cost-

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