Omron C801NEB Nebulizer Kit for NE-C801 Nebulizer is the Smallest Tabletop Nebulizer. Lightweight, Affordable, and Efficient this unit is perfect for patients experiencing asthma, COPD or other respiratory conditions. CompAir is the smallest, lightest, most convenient tabletop nebulizer - ever. Omron's advanced design and engineering allows it to administer medication as effectively as table top models three times its size. The CompAir nebulizer system offers an affordable and efficient alternative for patients experiencing asthma, COPD or other respiratory conditions..