- #11 [cornercube], 20-01-30 06:56
- #10 [laplap], 20-01-29 18:37Hepa濾唔到病毒
只系PM2.5
仲有系有d用玻璃纖維 - #9 [純情小花], 20-01-29 11:16
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- #8 [mcdull], 20-01-29 10:50張圖好低能, 亦冇常識.
佢戴左果件野, 已經冇必要帶口罩.
因為惟一出入口係上面個孔, 同下面鬆口位, 病毒出入已唔會係正面, 所以反而效果比口罩更差... 但防止傳染人就好有用. 所以比個叻佢.
用HEPA filter 就要好小心, 因為一濕水就冇效. 所以外科口罩要有吸水層. - #7 [開心溫柔鄉], 20-01-29 10:45用冷氣機隔塵網,自己剪裁
- #6 [alexanderkoo], 20-01-29 10:38Or 2 cigarette butts plugged at nostrils, just kidding.
最後修改時間: 2020-01-29 10:38:28 - #5 [cornercube], 20-01-29 10:37>>#2...Can cut the HEPA filter ...x2
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3M 卷裝 for air con. hepa filter
最後修改時間: 2020-01-29 10:39:59 - #4 [IHKOHK], 20-01-29 10:36加強版
- #3 [raywong777], 20-01-29 10:36
- #2 [alexanderkoo], 20-01-29 10:29Can cut the HEPA filter from vacuum but a lot expensive. A guy used cloth mask packed with kitchen towel. No certification at all.
- #1 [Cat2], 20-01-29 10:18既然重用口罩都唔係好安全,我哋有無方法自已DIY 口罩來自救。在這裡有很多奇能異士,大家可以集思廣益來幫助港人自救
- 返回 ...
買到N100最好,
無N95, Air con. filter DIY 都頂住先
好過セ都無...
&
唔好漏咗 護目鏡.
;
https://tinyurl.com/y8ycdkls
""...the flu virus does not float in the air by itself.
The flu virus is transported from patient to patient on droplets of excretions from sneezing and coughing.
These particles are typically 5 microns or larger.
When a sick patient wears a respirator, the respirator can be very effective at preventing infectious material from leaving the patients body,
and when worn by healthy individuals, it prevents inhalation of said material....""
最後修改時間: 2020-01-30 06:58:40