What is N95 Mask Used for? N95 respirators are an important part of healthcare personal protective equipment (PPE), filtering out over 95% of particles as small as 0.3 microns when properly fitted to the user’s face. They have been found to result in fewer viral infections among healthcare workers compared …
How long can you wear face masks? How often you should replace your surgical or N95 mask depends on who you ask. The WHO recommends changing surgical masks every 4 hours. If that’s true, that means a lot of masks and a lot of waste. To find out how long …
Every year, as winter blankets India, over a billion people find themselves navigating through streets filled with toxic, polluted air. Whether in Delhi, Mumbai, Kolkata, or Hyderabad, the question on everyone’s mind becomes: Do face masks and air pollution masks truly offer protection? Throughout India, I’ve encountered intelligent, skeptical individuals …
Wearing masks for hours on end has led some people to worry about whether N95 masks deprive us of oxygen. Scientists have actually made people wear N95 masks and measured their blood oxygen. So we have a solid answer to this question, and it’s not what this question assumes. This …
If you can smell an odor while you’re wearing an N95 mask, does that mean the mask isn’t fitting well? Many people experience this when they notice they can still smell cigarette smoke, even though they’re wearing a mask. Thus, can we use smells as an indicator of getting a …
With Covid-19, many of us are wondering how to properly clean our masks. Google searches for “wash N95 mask” and “wash KN95 mask” have sky-rocketed. Yet data-backed answers seem to be in short supply. The usual advice is to toss and replace masks instead of washing them. Let’s dive into …
Can you wear expired face masks? How effective are expired face masks? A study tested 10 year-old 3M N95 masks compared to new masks and this is what they found.
Mask ratings can be confusing: N95, KN95, FFP1, FFP2, P2, or surgical mask? This quick run-down of mask specifications covers mask types, mask ratings, and their effectiveness at filtering particles. Let’s begin by discussing mask types or certification types. There are generally three commonly used, disposable masks: single-use face masks, …
Every year, spring’s blossoms bring with them a wave of pollen. For places like Beijing, it’s also the start of the ‘snowy season’, with the hundreds of willow trees producing their fluffy catkin friends and the sniffles that follow. But how can we avoid the uncomfortable coughing and sneezing? Which …
The difference between P2 and N95 masks is so small that most users will not notice anything amiss. The P2 rating is the standard in Australia and New Zealand similar to the US N95 mask rating. What is a P2 Mask? A P2 respirator mask is a type of mask …
