Oh sure you have ‘family members” in the medical field and there-for you are an experienced medical professional with personal and intimate knowledge of how the equipment is all supposed to work...oh Please , stop embarrassing yourself!
Do you know who is Dr. Bill Crounse? AS a medical practitioner he has retired as a physician and medical executive with Virginia Mason Medical Center in Seattle. Also, I have talked to my niece who is a surgical anesthesiologist at the U of W Medical Center and my sister who is a nutritionist at St. Joseph’s Hospital. The conversation came up when I expressed concern for my brother who is an anti-masker. They agree with this good information from John Hopkins, a very reputable institution, in the use of face masks. This is their information:
“Coronavirus Face Masks & Protection FAQs”
Happy reading! Then go here for a happier face mask experience:
https://www.4ocean.com/pages/face-mask-support-frames