Hamilton‑H900 Advanced Humidification / MedworldtradeDescription of the Hamilton H900. Advanced Humidification HAMILTON H900 humidifier offers active humidification for children, adults, and even your most delicate patients. We provide a unique heated breathing circuit with a removable, unheated extension that can use with the incubator set of HAMILTON H900 breathing circuits with heater wires integrated into the wall of courses. It eliminates the cold interface between the heated gas and the ambient