Description: CE certified product. Features: Disposable, durable plasticPreset audible alarm at 4 (or 6) psi pressure relief.Designed to provide patient with comfortable, therapeutic humidity and minimal noise.Defined maximum and minimum water level lines.Recessed nipple reduces possibility of breaking off outlet connection.Nubenco advantages: It is transparent, clean and smooth appearanceIt fits well into oxygen supply systems.It can sustain heavy water pressure; the bottle will not break or separate.There is no leakage when sealed, perfect fitting.Packaging: Individual envelope: Strong bag, heat sealedInsert inside container.