Suggested Retail: $59.99. Keylitos HEPA Filter Air Purifier. The Keylitos H13 True HEPA Air Purifier is a high-performance device that covers an area up to 560ft². It refreshes the air 5 times per hour in rooms as large as 215 ft², and 3 air changes per hour in 560ft². The air purifier is ultra-quiet and energy-saving, running at a low power and a 28dB noise level. It is equipped with a true HEPA filter that captures allergens, pet hair, smoke, mold, and large dust particles, removing 99.9% of airborne contaminants. Brand: Keylitos. Model: B09XQSGYDF. Lot Sticker: OH001-00000853-94. 7 CALENDAR DAY FULL REFUND GUARANTEE (FROM PRIMARY PICKUP DATE) ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 CALENDAR DAY STORAGE (FROM PRIMARY PICKUP DATE) IS ALSO AVAILABLE. THE PRIMARY PICKUP DATE IS THE DAY AFTER THE AUCTION ENDS. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.