Omron has replace this unit, CLICK HERE Omron MicroAir Nebulizer, 7 mL Unfilled Small Volume, Mouthpiece, without Tubing, Universal, Single Patient Use, sold as Each by MicroAir brand, Omron Healthcare NE-U22V
InnoSpireTHIS ITEM HAS BEEN REPLACED, CLICK HERE Compressor Nebulizer System, InnoSpire Mini Compressor Nebulizer Standard, sold as Each by InnoSpire Mini brand, Respironics 1109289