Unix Resin Air Intake Motorized Shutter UKDG Series, Non-woven Fabric Filter, UKDG-AW Filter Set (3 Filters), Cool White

Collection efficiency: 60% (mass method/JIS Class 15) Prevents dust, dirt, and powder from the outside air from entering the room. Precautions Washable. Wash 3-5 times, then replace with a new filter. *Filter contamination varies by region. Material: Non-woven fabric