再补充一下，下面链接powercom的有耳挂的也有头戴的，有20%off code； puri好像适合头大脸大的，也有20% code 勤劳的搬运工： Here''s a couple good sources for reusable respirators. These are the best option in terms because they''re proven to be effective and they can be reused for weeks/months when used in rotation: [] [] The Powecoms have a 20% code (thx to karenjang): 2021 The Dr. Puri also have a 20% off code: welcome2021 When used in rotation of 5-7 days, a N95/KN95/KF94 doesn''t need to be tossed until it''s soiled, damaged, or becomes difficult to breathe through. For me, that''s about 40-50 hours. https://www.sages.org/n-95-re-use-instructions/https://sharedhealthmb.ca/files/e...-masks.pdfhttps://www.health.nd.gov/sites/w..._Guide.pdf If you absolutely have to have something disposable, then REAL surgical masks are available too. For surgical masks (the real ones at least) it''s difficult to find a reliable vendor that sells to the general public. Manufacturers such as Halyard (Kimberly Clark) and Cardinal are well known. Insist on []. Here''s a []. These Level 2/3 masks look good.Made in the US too: []. N95 > KN95 or KF94 on [] > real [] surgical mask > everything else (better than nothing) TLDR: these don''t look very effective. These masks fall in the category "better than nothing".
再补充一下，下面链接powercom的有耳挂的也有头戴的，有20%off code； puri好像适合头大脸大的，也有20% code 勤劳的搬运工： Here''s a couple good sources for reusable respirators. These are the best option in terms because they''re proven to be effective and they can be reused for weeks/months when used in rotation: [] [] The Powecoms have a 20% code (thx to karenjang): 2021 The Dr. Puri also have a 20% off code: welcome2021 When used in rotation of 5-7 days, a N95/KN95/KF94 doesn''t need to be tossed until it''s soiled, damaged, or becomes difficult to breathe through. For me, that''s about 40-50 hours. https://www.sages.org/n-95-re-use-instructions/https://sharedhealthmb.ca/files/e...-masks.pdfhttps://www.health.nd.gov/sites/w..._Guide.pdf If you absolutely have to have something disposable, then REAL surgical masks are available too. For surgical masks (the real ones at least) it''s difficult to find a reliable vendor that sells to the general public. Manufacturers such as Halyard (Kimberly Clark) and Cardinal are well known. Insist on []. Here''s a []. These Level 2/3 masks look good.Made in the US too: []. N95 > KN95 or KF94 on [] > real [] surgical mask > everything else (better than nothing) TLDR: these don''t look very effective. These masks fall in the category "better than nothing". wmtws9dsj 发表于 2021-01-09 18:21
用过的mm可以说一下吗？谢谢
KF94 比 KN95舒服多了，尤其是整天都要带的情况下。 我有几次带着自己买的KF94和face shield近距离接触过一些个阳性病人，取了nasopharyngeal sample. 之后我自己也没事。 当然接触时间也比较短暂。
哪儿买的这么好的KN94
不再于层多少，在于材料好不好
我和你一样 Costco买的还没到
又买了一点点kf94试试
谢谢二楼mm现身说法！长草
🙏
kf94的泄漏度是11% 算很好了 可能是和面部贴合的好
我就放狗搜了下哪儿有卖 还不知道除了几个网店以外主流商家什么时候会跟上
勤劳的搬运工： Here''s a couple good sources for reusable respirators. These are the best option in terms because they''re proven to be effective and they can be reused for weeks/months when used in rotation: [] [] The Powecoms have a 20% code (thx to karenjang): 2021
The Dr. Puri also have a 20% off code: welcome2021
When used in rotation of 5-7 days, a N95/KN95/KF94 doesn''t need to be tossed until it''s soiled, damaged, or becomes difficult to breathe through. For me, that''s about 40-50 hours. https://www.sages.org/n-95-re-use-instructions/ https://sharedhealthmb.ca/files/e...-masks.pdf https://www.health.nd.gov/sites/w..._Guide.pdf
If you absolutely have to have something disposable, then REAL surgical masks are available too. For surgical masks (the real ones at least) it''s difficult to find a reliable vendor that sells to the general public. Manufacturers such as Halyard (Kimberly Clark) and Cardinal are well known. Insist on []. Here''s a []. These Level 2/3 masks look good.Made in the US too: []. N95 > KN95 or KF94 on [] > real [] surgical mask > everything else (better than nothing) TLDR: these don''t look very effective. These masks fall in the category "better than nothing".
谢谢 ls搬运