*Referenced main specs of reusable breathing oxygen humidifier bottles:

-1). Oxygen Humidifier includes the jar, lid assembly, sealing gasket and diffuser;
-2). The polypropylene jar may be steam, gas or liquid sterilized and it is dishwasher-safe.
-3). Water Capacity: 170ml/200ML;
-4). Max and min water levels are clearly marked, Raw Material: Medical Grade PP, harmless.

*Specification