The RF9 nebulizer allows you to easily change the particle size by rotating the cap. It works in 4 operating modes: Particles larger than 7 µm (nebulizer in position 0) for upper respiratory tract, high nebulization speed Particles larger than 5 µm (nebulizer in position 1) for treatment of the tracheobronchial region Particles between 3 and 4 µm (nebulizer in position 2) for bronchial treatment Particles between 2 and 3 µm (nebulizer in position 3), the drug reaches the alveoli Material The Flaem 4Neb device and accessories are made of anti-allergic, phthalate- and BPA-free materials, tested in accordance with the European standard EN 10993-1 Biological evaluation of medical devices and the European directive 93/42/EEC on medical devices. . The set includes: Nebulizer RF9 Mouthpiece SoftTouch soft mask for adults SoftTouch soft mask for children 2 m long hose Flaem Soft Touch masks save the amount of medicine lost The extremely soft masks have an edge made of soft, biocompatible material. The masks adapt to the shape of the face, so the dispersion of the drug aerosol is less. A specially designed valve in the mask opens during the exhalation phase and closes during the inhalation phase. Change The nebulizer and accessories should be replaced every 6 months if used frequently to always ensure maximum therapeutic effect. The Flaem RF9 nebulizer and accessories can be cleaned, disinfected and sterilized. Check out other Flaem products in Hospital & Home Care, Ear Plugs and Medical Supplies categories. The product currently has a 0% discount. If you are not sure about choosing this product, get inspired in the Nasal inhalers category.