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FWIW, uses Filter A.
We have 2 of the popular C545's and run a larger 9800 in the living room/den area. This unit appears to use the same filter A, and same square footage (500) as the 9800 but at approximately half the cost of 9800.
Last edited by alphawave November 10, 2026 at 12:12 AM.
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We have 2 of the popular C545's and run a larger 9800 in the living room/den area. This unit appears to use the same filter A, and same square footage (500) as the 9800 but at approximately half the cost of 9800.
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