![IJERPH | Free Full-Text | Evaluation of Protection Level, Respiratory Safety, and Practical Aspects of Commercially Available Snorkel Masks as Personal Protection Devices Against Aerosolized Contaminants and SARS-CoV2 IJERPH | Free Full-Text | Evaluation of Protection Level, Respiratory Safety, and Practical Aspects of Commercially Available Snorkel Masks as Personal Protection Devices Against Aerosolized Contaminants and SARS-CoV2](https://www.mdpi.com/ijerph/ijerph-17-04347/article_deploy/html/images/ijerph-17-04347-g001.png)
IJERPH | Free Full-Text | Evaluation of Protection Level, Respiratory Safety, and Practical Aspects of Commercially Available Snorkel Masks as Personal Protection Devices Against Aerosolized Contaminants and SARS-CoV2
![3M™ Aura™ Particulate Respirator 9320D+, FFP2 440/Cs. Air Purifying Respirators Disposable | Fisher Scientific 3M™ Aura™ Particulate Respirator 9320D+, FFP2 440/Cs. Air Purifying Respirators Disposable | Fisher Scientific](https://assets.fishersci.com/TFS-Assets/CCG/3M/product-images/3m-psd-aura-9300d.jpg-650.jpg)
3M™ Aura™ Particulate Respirator 9320D+, FFP2 440/Cs. Air Purifying Respirators Disposable | Fisher Scientific
![3M Aura 9320+SP Disposable Respirator FFP2 – Practical 3-panel design for improved facial movement and low breathing resistance, White - 1 Pack of 5 masks : Amazon.co.uk: DIY & Tools 3M Aura 9320+SP Disposable Respirator FFP2 – Practical 3-panel design for improved facial movement and low breathing resistance, White - 1 Pack of 5 masks : Amazon.co.uk: DIY & Tools](https://m.media-amazon.com/images/I/61M3c6FlKoL._AC_UF1000,1000_QL80_.jpg)