Omron Compressor Nebulizer NE-C28 Mask: Unused Replacement air filter: Brand new, unused Suction tube baffle: Brand new, unused Operation confirmed Usage: 2 times. I bought this product to suppress my child's cough, but it was cured after only using it twice. I haven't needed to use it since then. *Please understand that this is not a new item as it has been stored for a period of time. *There may be scratches from storage, and dullness or stains on older items. *It will be shipped in simple packaging.