Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
login
DanBC
on Dec 7, 2020
|
parent
|
context
|
favorite
| on:
Experts are sounding the alarm about the hidden da...
How does a filter help with gases?
strangegecko
on Dec 7, 2020
[–]
HEPA filters only help for particulates. For gases you need activated carbon (usually more than is used in commercial air purifiers) or something else.
Consider applying for YC's Fall 2025 batch! Applications are open till Aug 4
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search:
