Ultrasonic Nebulizer - Brand: OMRON - Model: NE-U22 - Accessories: Instruction manual, mouthpiece, power adapter, storage bag, and other complete accessories - Function: Ultrasonic inhaler - Condition: Used when my child was small. Purchased in February 2007. One mesh cap and the mouthpiece are unused. Thank you for viewing. Please consider this item, understanding that it is a used product. Functionality has been confirmed before listing.