Update: Sabah & Sarawak customers may place order via Sea Shipping. Check with us for further confirmation! Product details of AWELD Portable Oxygen Inhaler (600 ml) : -600 ml -Oxygen purity more than 99.5% -Easy to carry -Easy to use -Suitable for traveling -Suitable for mountain hiking #kitajagakita Good to know before purchasing the item. It is super lightweight it feels like an empty bottle. The weight of the bottle is around 140gm maybe even lighter than a kiwi. The portable oxygen bottle filled with Oxygen measured with Pressure Analysis around 8 Bar. Standard normal use just presses on it one second and breath normal The portable oxygen is intended for intermittent usage especially for those encountered with temporary breathing difficulty. It helps to alleviate the issue of oxygen deficiency in certain circumstances. However, the patient with critical breathing difficulty shall require oxygen respiratory facility. In reality, oxygen gas has a density of 1.429 grams/liter at the standard pressure and temperature (basically room temperature and atmospheric pressure). Literally, the 600mL O2 in each bottle shall translate into 0.8574g in net weight. Q: Can Sabah/Sarawak customer place order? A: Yes! Q: Why is the can feels empty while my mosquito spray also have 600ml but feels heavier? A: The can consists of ≥ 99.5% Oxygen as its content. Oxygen is extremely light, in the form of 600ml, it has net weight of 0.8574g only 😊. But in other aerosol can like mosquito spray, it consists of chemicals and liquid which is way more heavier than oxygen. Q: Can i keep this as emergency use? A: Yes! It is intended to use when you need oxygen temporarily, like Covid, hiking, exercising, heavy lifting etc.