View on LOZ Suggested Retail: $159.99. Okaysou Smart Air Purifier for Home Large Room, 1000 Sq. Ft. Coverage, 5-Stage Filtration System, H13 True HEPA Filter Cleaner with Washable Filter, Remove 99.97% Dust Pollen Smoke Odors Dander and VOCs, AirMax 10L Pro, White. Maximum Coverage - Covers a room size up to 1,000 sq.ft. in one hour, 774 sq.ft. in 30 minutes, 387 sq.ft. in 15 minutes, perfect for small to large rooms; kids bedrooms, bedrooms, offices, basements, family rooms and kitchens. Powerful 5-Stage Filtration System - Combines Washable Pre-filter, H13 True HEPA Filter, Nanois-Filter, Premium True HEPA Filter and Honeycomb Activated Carbon Filter in 1, Captures 99.97% of air pollutants as small as 0.3 microns like dust, pollen, smoke, hair and household odors; also safely breaks down various harmful gases, such as formaldehyde, VOCs; decomposes pollutants as small as 0.3 microns with eternal durability and the highest osmosis-action.. 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.