The Omron MicroAIR U100 is a small, portable nebulizer that helps efficiently treat respiratory conditions ranging from a simple cough to asthma. The battery-operated MicroAIR U100 is compact, travel-ready, and always within reach. Its unique mesh technology makes it more efficient and comfortable to use than traditional nebulizers. It operates almost silently, and the unique design allows for use in any position, even while lying down, making it more convenient for younger children.