Show HN: I bought and tested the filtration of every mask on Amazon (armbrustusa.com)

Article summary

The article discusses a comprehensive mask testing project where the filtration capabilities of various masks available on Amazon were tested. The project aims to help people choose the best masks to protect themselves from COVID-19. The tests include surgical masks, non-medical 3-ply face masks, N95 masks, KN95 masks, KF94 masks, and cloth masks. The results are available on the project's website, which also provides information on the testing methodology and standards used.

Main themes

• mask testing
• COVID-19 protection
• filtration efficiency
• mask standards
• authentication and quality
• ventilation and outdoor transmission
• testing methodology
• project credibility

What commenters say

• The transparency of the testing methodology and results is crucial for the credibility of the project.
• Including affiliate links to masks that performed well in the tests could be a way to monetize the project without compromising its credibility.
• The current pass/fail system may be unfair to some manufacturers, particularly those who do not claim to meet specific international standards.
• The use of proprietary standards by some manufacturers can make it difficult to compare their products to others.
• Buying masks directly from manufacturers or authorized distributors can help ensure authenticity and quality.
• The project's focus on mask filtration may overlook other important factors, such as ventilation and outdoor transmission.
• The testing of masks after extended use could provide valuable information on their performance over time.
• The project's website could be improved by providing a simple and easy-to-understand table of test results for each mask.