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    • Six AC FILTER REFILLS, sze 20"x 20", HealthSmart AIR SPONGE with own METAL FRAME

      HealthSmart Filter System is a 20" x 20" metal frame with Six (6) BioSponge insert refills. For AC and Furnace, by The AirSponge Filter Company.Brand NEW, sealed. Purchased for $150, never used.Great for allergy sufferers! $85.0
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