HUDSON RCI COMFORT FLO Humidification System, REF 2410, humidifier nebulizer kit
There is the potential for water to flood the column and enter the circuit under circumstances where an abnormal pressure differential is created between the water bottle and the column during high flow oxygen therapy.
nationwide
https://www.accessdata.fda.gov/scripts/ires/index.cfm?Product=Z-1114-2020