Sharp Air Purifier FU-S50-W Plasmacluster 7000 Recommended Coverage: 14 tatami mats, Speed Circulation Airflow Recommended Coverage (Plasmacluster Applicable Floor Area (Estimate)): ~14 tatami mats Air Purification Applicable Floor Area (Estimate): ~23 tatami mats Purification Time: 12 minutes (for 8 tatami mats) Estimated Electricity Cost: Approximately 1.9 yen/day (during quiet operation) *Calculated at an electricity rate of 31 yen/kWh (including tax) This air purifier is equipped with high-density Plasmacluster 7000 and effectively removes pollen and odors with its electrostatic HEPA filter. - Brand: SHARP - Model: FU-S50-W - Filters: High-density Plasmacluster 7000 / Electrostatic HEPA Filter / Deodorizing Filter - Functions: Powerful Dust Collection / Pollen Removal Thank you for viewing.