3D-printed valves convert snorkel gear into ventilator masks for coronavirus patients
Coronavirus: Brussels hospital turns snorkelling masks into respirators
Hospitals turn to snorkel masks to ease respirator overload | CTV News
Amazon.com : Full Face Snorkeling Mask, Foldable Scuba Diving Swimming Underwater Easy Breath Snorkel Mask with 100% Anti-Fog Dry Top Set/Support Add Mini Oxygen Tank for Youth & Adults Orange : Sports
Coronavirus: Scuba, snorkeling gear to give health care workers another option for defense - ABC7 San Francisco