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The K&N HVC-8-12020 is a 20 x 20 x 1 inch pleated HVAC filter rated MERV 8 and built to be washed and reused instead of replaced. K&N's washable design targets the cost and waste of disposable filters, and MERV 8 captures dust, pollen and lint but not fine smoke or virus-sized particles. At $49.99 at Lowe's as of November 7, 2026, it is the only new price listed; it costs several times a single disposable filter but can pay back over a few years of reuse.
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Lowest price we've seen: $49.99 on Nov 8 at Lowe's. Tracked across 1 store since Nov 8.
Owners of K&N washable filters generally report solid dust capture and years of reuse, with the main complaints being the upfront cost and the drying routine after washing.
