Replacement filter for range hood, 1 piece. New, unused. Size: Approximately 405mm wide x 530mm long x 10mm thick. Made of fiberglass, so please be careful not to get it stuck in your fingers. There are no markings, and I don't know any other details besides the above. This is a spare that came with the purchase of my condominium. Like the Fujioh slot filter I listed the other day, I stored it for a long time without using it. I am listing it because it is no longer needed due to the replacement of my range hood. It will be folded in quarters for shipping. Thank you for looking.