Coronavirus: How do makeshift ventilators which are made from snorkel masks work?

The idea of fitting a snorkel masked to a ventilator has emerged in the midst of the coronavirus pandemic.Product designers, 3D printing specialists

Researchers retrofit diving snorkel mask to make reusable PPE

MPS Open-Source Ventilator

Effectiveness of an adapted diving mask (Owner mask) for non-invasive ventilation in the COVID-19 pandemic scenario: study protocol for a randomized clinical trial, Trials

3D-printed valves convert snorkel gear into ventilator masks for coronavirus patients

Italian medics convert snorkelling masks into 'homemade' ventilators during coronavirus crisis

Adapting re‐usable elastomeric respirators to utilise anaesthesia circuit filters using a 3D‐printed adaptor ‐ a potential alternative to address N95 shortages during the COVID‐19 pandemic - Liu - 2020 - Anaesthesia - Wiley Online Library

Parcil Safety Full Face Organic Vapor Tactical Gas Mask and Survival Respirator with 40mm P-D-1 Filter Pod ST-100X - The Home Depot

IJERPH, Free Full-Text

Italian medics convert snorkelling masks into 'homemade ventilators' to cope with coronavirus crisis