★ Used for about a year. Operation confirmed. ★ It's a famous Japanese manufacturer, so replacement parts can be purchased separately! The parts have been sterilized, but if you are concerned, you can purchase replacement parts from Omron. The OMRON NE-C28 nebulizer comes with a child-sized mask and is perfect for home use. - Brand: OMRON - Model Name: NE-C28 - Accessories: Mask, tube, filter, instruction manual - Color: White - Features: Child-sized mask Thank you for looking.