Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
login
schiffern
on Jan 10, 2024
|
parent
|
context
|
favorite
| on:
Contra Wirecutter on the IKEA air purifier (2022)
99.95% is the ISO (international) standard, 99.97% is the ASME (US) standard.
https://www.ossila.com/pages/hepa-filter-size-chart
Consider applying for YC's Winter 2026 batch! Applications are open till Nov 10
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search:
https://www.ossila.com/pages/hepa-filter-size-chart