2024年1月10日 · 3M™ Aura™ masks look very similar, what's the main difference between them? Not to worry, International Safety is here to help! Overview. 1870+ is the Health Care Particulate Respirator and Surgical Mask which specializes in Fluid resistance. It has the highest level of fluid resistance. Rubber headbands.

2021年8月23日 · 3M 7500 Half-Mask Respirator Exhalation Filter Holder by dsangaree Exhaust Filter for 3M Respirator 7500 series 7501 7502 7503 IMPROVED! by k19k19 To my knowledge, neither company has official exit valve accessories available as of August 2021. 3M has one for a different model, but availability may be limited.

2020年6月13日 · Well, afaik some people are shit don’t wear a mask and stuff, the virions can remain in the air up to 4 hours, imagine somebody coughed or sneezed a few mins ago and you go out to get some food and pass that same spot, the virions are now almost everywhere (because of wind) the load is low but it’s still there so it can get in your clothes, googles, etc, …

2023年2月18日 · Quite a few people acquiring Chinese 3M respirators or asking questions about the authenticity of their 3M N95/ffp masks.Everyone is looking for a good and affordable respirator and 3M KN95s are ranging from 15$ to 30$ in China for a box(or a bag) of 25/30/50 masks.I thought it would be a good idea to help the mask community validate different 3M masks and …

2022年7月13日 · Dive in and get advice on finding the right mask, and ensure a good seal with fit testing. Our helpful community discusses masking tips, tricks, specs, tests, hacks, and reviews. We also cover related topics about respiratory protection, such as air filtration, HEPA and CR filters, and some general public health info about vaccines for ...

2021年6月3日 · "3M states conservatively that the Medium size respirator mask (full and half face) fit 80% of the population." The lengthy full Wirecutter review is here. In case you read the review: Don't buy any filters or N95 masks from Amazon; see here. Don't bother trying to find the 3M 8516: it's expensive and perhaps

2022年1月31日 · Large 3M 6900 Large Full Face Mask 3M 6900 Large Respirator (Dark Grey) 3M 6900 Large Mask 15% of users The 3M 6900 Large Full face respirator here is distinguished by the dark grey rubber face seal. The mask openings top to bottom are 7-3/4 inches with an open space of 5-3/4 inches making the mask slightly larger in opening.

2023年7月18日 · Thusfar, my research has ascertained that the best type of respirator is the 3M full face respirator with the [3M 60923 Organic Vapor/Acid Gas Cartridge/Filter 60923, Pk/Yw] filter. This is rather expensive, as I am currently working on a tight budget.

2023年5月6日 · 3m is like $25 for the mask, another $10 or $20 for the filters (depending on the work you're doing. Look at what they're rated for. Get one that filters out what you need. Don't use a p100 for paint, etc.) So total, $45 or so, and it will last for years and years (the mask, the filters go till they clog).

2023年7月2日 · Welcome to Reddit's place for mask and respirator information! Is it time to upgrade your masks but you don't know where to start? Dive in and get advice on finding the right mask, and ensure a good seal with fit testing. Our helpful community discusses masking tips, tricks, specs, tests, hacks, and reviews.