Simple Oxygen Mask

[@oxygenooxygenos554]

Thanks

[@kainataltaf3231]

Your videos are great! Keep it up please

[@dgerminald]

You're videos are very helpful. Keep up the great work! Future RRT

[@sakamoto6]

Lol.. well working for a year and some change. It's a bit dated

[@sharvinkottayi5494]

What about the bubble humidifier no need to use ..?

[@sakamoto6]

Humidifiers aren't designed to be used with simple mask

[@cutehafsalifestyle5198]

I m join for u