High-Quality and Durable Material: Inhaler spacers are made from high-quality materials, ensuring durability to maintain stable performance during prolonged use. Easy to Replace: The spacer is designed for easy replacement, allowing users to perform maintenance quickly and conveniently, ensuring the long-term reliability of the inhaler. Wide Applicability: Inhaler spacers are typically designed to be compatible with various inhaler brands and models, providing flexibility to meet the diverse needs of different patients. Compliance with Hygiene Standards: Spacer materials comply with hygiene standards, making them easy to clean and disinfect. This ensures the user's hygiene and safety during the inhalation process The NESSI is a spacer intended for use in the inhalation of medications which are provided by OTC MDIs. The device consists of a translucent housing a back piece and mouth piece or face mask.