Suggested Retail: $54. isinlive - Core 400S Toxin Absorber Replacement Filter for LEVOIT Core 400S Smart WiFi Air Purifier - 2 Pack The isinlive Core 400S Toxin Absorber replacement filter is designed for the LEVOIT Core 400S Smart WiFi Air Purifier. This filter features a 3-stage filtration system, including H13 True HEPA, activated carbon, and fine nylon pre-filter, which together remove 99.97% of airborne particles down to 0.3 microns. It is recommended to replace the filter every 6-8 months to maintain optimal performance. This package includes two high-efficiency filters that can be easily installed without tools. Brand: isinlive. [Reference: q5qfmmIq2EjsRaIBEYVc9D]. LOT STICKER: OH001-00000577-45. Type: Regular. Color: Green. 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.