Improvement of Bad-smell Remove FunctionPrevention of Function Decline cause of SaturationInhabitant Prevention of Bacteria & Mold, Bad-smell Blocking cause of Secondary Pollution Settlement of Bad-smell problem of Sense Pollution.Coated by Photocatalyst certified from FDA - Improvement of Indoor Air Quality- Make Pleasant Interior Environment - Manage Good Health- Improvement of Work Efficiency - Type : Carbon Urethane Foam- Size : 1M (width) X 2M (length) - Basic Thickness : 3mm, 5mm, 10mm- PPI(Pixel per Inch) unit : 25ppi, 30ppi, 45ppi - Air Conditioner, Air Purifier and etc