View on LOZ Suggested Retail: $229.99. Coway AP-1512HH White HEPA Air Purifier, 16.8 x 18.3 x 9.6. Coway Mighty (AP-1512HH) is designed to accommodate room sizes up to 361 sq. ft (CADR: Dust 246 / Pollen 240 / Smoke 233 cb. ft. ). 4 Stage Filtration System (Pre-filter, Deodorization filter, True HEPA filter, Vital Ion) captures and reduces up to 99. 97% of particles 0. 3 microns in the air, including pollen, pollutants and other allergens. It also reduces volatile organic compounds and reduces odor. Coway Mighty pollution sensor communicates indoor air quality in real-time. The brightly colored LED lets you know how clean or dirty your indoor air is every minute of the day. And it features a timer, and filter lifetime indicator. Fan speeds available in 1, 2, 3 stages by manually setting up. While auto mode automatically optimizes the speed setting 1 through 3 based on the level of indoor air quality. When no pollution is detected for 30 minutes, the fan will automatically stop and set as Eco mode to save energy. Timer feature allows the machine to run 1/4/8 hours before automatically powering off.. 7 CALENDAR DAY FULL REFUND GUARANTEE ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 CALENDAR DAY STORAGE IS ALSO AVAILABLE. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.