Smilyan LV-PUR131 Filter Replacement Compatible with LEVOIT LV-PUR131, LV-PUR131S, LV-PUR131-RF Air Purifier, 2 Pack… Price: $29.99 (as of 04/08/2023 20:47 PST- Details)

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PERFECT FIT – Widely compatible with Levoit LV-PUR131, LV-PUR131S, LV-PUR131-RF Air Purifier. These replacement parts for Levoit Air Purifier with the same excellent performance and perfect fit as the original.
VALUABLE PACKAGE – Includes 2 Pack Ture HEPA Filters +2 Pack Activated Carbon Pre-filters. Cost-effective package, so you can simply remove at any time and replace each Pre-filter after use to save your trouble of cleaning and vacuuming.