Range hood filter using plant-derived non-woven fabric, model number NF297S. - Brand: DUSKIN - Product Name: Range Hood Filter - Model Number: NF297S - Features: Uses plant-derived non-woven fabric - Application: For new type filters Thank you for viewing. I no longer need this as I replaced my ventilation fan. It is new and unused. I will sell 5 sheets for 2500 yen. I will ship it compressed. I have a large quantity, so please consult with me about the number of sheets you want.