The NB-N023 inhalation mouthpiece is designed as a replacement or configuration accessory for nebulizer systems. It supports mouthpiece replacement for nebulizer accessory kits, helping distributors build flexible respiratory care kits for different treatment preferences, patient groups, and after-sales replacement needs. As an accessory item for compressor or oxygen-related nebulizer applications, it is suitable for catalog expansion, spare-parts pages, and bundled product offerings where clear compatibility, material quality, and stable supply are important purchase factors.