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Discussion Starter #1
I know we all come here for a respite from 'everything else'. It's calming to discuss engineering thoughts, or blow off valve operation, or install tips, rather than some of the heavy sh!t we gotta deal with in our "real lives". So I get not wanting to really broach this too much, but I thought if anybody would have the answer to this question...the fellas on the forum would:

I'm going to hopefully phrase this in a way that doesn't offend anyone's sensibilities or perceptions. Hopefully.

If, HYPOTHETICALLY SPEAKING, and hypothetically speaking only, the 'COVID-19' virus is "airborne", meaning, able to sustain itself via proximate transmission, that is not direct contact. And if hypothetically speaking, the virus was really able to sustain itself in this environment ('airborne') for longer than any flu virus observed, what are the possibilities the virus could possibly come into the car via the cabin filter?

Please stick to the exact hypotheticals, and exact question. I know there are a thousand tangents on this, but this has to do with how protective the cabin filter would be, and any associated danger that the virus actually presents in coming in through there, and out through your air conditioning ducts. That's it. That's the scope. Please respect and stick to it. If you have another virus related question that's a tangent off of this, I ask that you start another thread. I don't want tihs to become a conspiracy thread on everything coronavirus.
 

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It would ultimately depend on the permeability of the cabin filter media in use and the viral titer coming into contact with the filter. For a virus to be considered airborne and transmitted via aerosol, it has to be less than 5µm, which we know to be the case for SARS-CoV-2 (the virus responsible for causing COVID-19). SARS-CoV-2 is currently believed to be around 1µm.

Some of the cheaper cabin filters are only rated to 5-20µm, while others don't list a rating at all. In theory, a quality HEPA or charcoal activated filter that is rated at less than 1µm should offer protection against airborne pathogens.

hypothetically speaking, of course...

Why not just use the re-circulation button to recirc the uncontaminated air already inside the cabin?
 

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Discussion Starter #3
Thank you. That was the type of answer I was looking for. I would also imagine the temperature of the engine bay (that it has to pass through) might put a damper on things.

The re-circulation button is usually on, this was just a hypothetical that crossed my mind as I was driving around. Thanks again dude!
 

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Your cabin air filter is going to be absolutely NO help in protecting you from the virus. I asked my wife who has been a nurse for 30+ years and she laughed. She said the problem with this virus is that it can live on most materials for 3 days....everything an infected person touches, coughs on, etc can infect you for 3 days. Lol! She said hospital masks are not even proof against getting it.
 

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Discussion Starter #5
Thanks @Kent ! But again, we are all aware that the virus (any virus) is transmitted by touch, cough, sneeze, etc. I want to know specifically what the danger may be "driving around town" with the windows up and vent on, and relying on your cabin filter for protection IF this virus is "airborne". @MD18EcoStang made a fairly reasonable argument. Do you have some reasoning to back up your hypothesis? To get to the cabin through the air filter, tells me it has to go through the engine bay, and behind the battery. Very rarely is this area of the engine not at least 100 degrees or so. Viruses can live for days at a hospitable temperature, but not that. And HEPA filters have also been proven to be antiviral (in most virus cases). So the reasoning sounds good.🤷‍♀️

I'm just not so sure they sell HEPA cabin filters for our cars? Anybody know?
 

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Home Bosch HEPA Premium Cabin Air Filter
Bosch HEPA Premium Cabin Air Filter





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They do make HEPA filters, for all the allergy sufferers. I don’t think you’ll be in any danger from infection driving around, regardless of the type of filter you choose.
 

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Discussion Starter #7
Home Bosch HEPA Premium Cabin Air Filter
Bosch HEPA Premium Cabin Air Filter
2 Reviews
90 DAY REPLACEMENT IF DEFECTIVE

Part # 6017C

Add a vehicle to find parts that fit
[IMG alt="
HEPA Premium Cabin Air Filter
"]Advance Auto Parts - Down for Maintenance


[IMG alt="
HEPA Premium Cabin Air Filter
"]Advance Auto Parts - Down for Maintenance



  • Price
    $25.99
Qty:
qty123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899
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They do make HEPA filters, for all the allergy sufferers. I don’t think you’ll be in any danger from infection driving around, regardless of the type of filter you choose.
Thanks dude! Yeah, I know. This was my paranoia thread. Hey man, if I can remove that one paranoia I'm having driving around....it will allow me to have more time for all my other paranoias. 😅 I don't know how many of y'all out there are living in major urban centers, but its not fun right now.


@MD18EcoStang Since you had all the size data, do you think this is effective enough?
35969
 

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@MD18EcoStang Since you had all the size data, do you think this is effective enough?
While it's cool to be thought of as someone who knows what "1µm" even means, 'twasn't me who provided that specific information! You want @Cyclone390GT. ;)

However, I'll weigh in with my own thought... "Upgrading" your cabin filter is likely a waste of time and money, IMO. Yeah, I know you're talking theoretically, but it seems far, far more likely that it will enter through your doors upon entry/exit, unless you're driving between "clean room" type garages and you have a system that disinfects the entire vehicle before you enter or exit... Also, there are very likely other access points for outside air. I doubt even our windows seal to the point of preventing those "1µm" buggers from entering...
 

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Discussion Starter #9
While it's cool to be thought of as someone who knows what "1µm" even means, 'twasn't me who provided that specific information! You want @Cyclone390GT. ;)

However, I'll weigh in with my own thought... "Upgrading" your cabin filter is likely a waste of time and money, IMO. Yeah, I know you're talking theoretically, but it seems far, far more likely that it will enter through your doors upon entry/exit, unless you're driving between "clean room" type garages and you have a system that disinfects the entire vehicle before you enter or exit... Also, there are very likely other access points for outside air. I doubt even our windows seal to the point of preventing those "1µm" buggers from entering...
oh sh!t. my bad, man. I'm tellin' u. I'm frazzled today. LOL. Yes, @Cyclone390GT is who I was wanting to ping.
 

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Only way I think you’re going to keep those little buggers out, is positive air pressure, like a clean room or bio suit.
 

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Thanks @Squid

So the answer is that viruses are generally too small for a cabin filter to get. Even HEPA.

I don't know about you guys. But I've been relishing my drives. I don't have to come into direct contact with anyone, and it takes my mind off of things. Plus, the roads are empty and I can actually get on the throttle and not bake in traffic. I just don't know how much "risk" I'm exposing myself to, by doing this. I think its minimal. But still...
 

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I don't know about you guys. But I've been relishing my drives. I don't have to come into direct contact with anyone, and it takes my mind off of things. Plus, the roads are empty and I can actually get on the throttle and not bake in traffic. I just don't know how much "risk" I'm exposing myself to, by doing this. I think its minimal. But still...
Me too... recirc, no stops kind of suck but ah well. Something to do to get your mind off of "things".
 

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Thanks @Squid
Plus, the roads are empty and I can actually get on the throttle and not bake in traffic.
I am surprised to hear you say that. I live South East of Boston and other than schools being closed and restaurants being take out only life is pretty much as usual, certainly no less traffic.

I go every 8 weeks to a Red Cross blood drive at the local lodge. I was expecting it to be slow this morning but it was busier than usual. They had "social distentcing" precautions in place and checked everyone's temperature at the door but otherwise it was a busy drive.




Dave
 

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I am surprised to hear you say that. I live South East of Boston and other than schools being closed and restaurants being take out only life is pretty much as usual, certainly no less traffic.

I go every 8 weeks to a Red Cross blood drive at the local lodge. I was expecting it to be slow this morning but it was busier than usual. They had "social distentcing" precautions in place and checked everyone's temperature at the door but otherwise it was a busy drive.




Dave
We’re at somewhere north of 1.5 million in my area and traffic here is less than half of normal, lots of places are closed, those that are still open have closed their lobbies to customers and only take phone orders, or deliveries, others have changed their hours......never seen anything like it.
 

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I know we all come here for a respite from 'everything else'. It's calming to discuss engineering thoughts, or blow off valve operation, or install tips, rather than some of the heavy sh!t we gotta deal with in our "real lives". So I get not wanting to really broach this too much, but I thought if anybody would have the answer to this question...the fellas on the forum would:

I'm going to hopefully phrase this in a way that doesn't offend anyone's sensibilities or perceptions. Hopefully.

If, HYPOTHETICALLY SPEAKING, and hypothetically speaking only, the 'COVID-19' virus is "airborne", meaning, able to sustain itself via proximate transmission, that is not direct contact. And if hypothetically speaking, the virus was really able to sustain itself in this environment ('airborne') for longer than any flu virus observed, what are the possibilities the virus could possibly come into the car via the cabin filter?

Please stick to the exact hypotheticals, and exact question. I know there are a thousand tangents on this, but this has to do with how protective the cabin filter would be, and any associated danger that the virus actually presents in coming in through there, and out through your air conditioning ducts. That's it. That's the scope. Please respect and stick to it. If you have another virus related question that's a tangent off of this, I ask that you start another thread. I don't want tihs to become a conspiracy thread on everything coronavirus.
We’re at somewhere north of 1.5 million in my area and traffic here is less than half of normal, lots of places are closed, those that are still open have closed their lobbies to customers and only take phone orders, or deliveries, others have changed their hours......never seen anything like it.
I know we all come here for a respite from 'everything else'. It's calming to discuss engineering thoughts, or blow off valve operation, or install tips, rather than some of the heavy sh!t we gotta deal with in our "real lives". So I get not wanting to really broach this too much, but I thought if anybody would have the answer to this question...the fellas on the forum would:

I'm going to hopefully phrase this in a way that doesn't offend anyone's sensibilities or perceptions. Hopefully.

If, HYPOTHETICALLY SPEAKING, and hypothetically speaking only, the 'COVID-19' virus is "airborne", meaning, able to sustain itself via proximate transmission, that is not direct contact. And if hypothetically speaking, the virus was really able to sustain itself in this environment ('airborne') for longer than any flu virus observed, what are the possibilities the virus could possibly come into the car via the cabin filter?

Please stick to the exact hypotheticals, and exact question. I know there are a thousand tangents on this, but this has to do with how protective the cabin filter would be, and any associated danger that the virus actually presents in coming in through there, and out through your air conditioning ducts. That's it. That's the scope. Please respect and stick to it. If you have another virus related question that's a tangent off of this, I ask that you start another thread. I don't want tihs to become a conspiracy thread on everything coronavirus.
I know we all come here for a respite from 'everything else'. It's calming to discuss engineering thoughts, or blow off valve operation, or install tips, rather than some of the heavy sh!t we gotta deal with in our "real lives". So I get not wanting to really broach this too much, but I thought if anybody would have the answer to this question...the fellas on the forum would:

I'm going to hopefully phrase this in a way that doesn't offend anyone's sensibilities or perceptions. Hopefully.

If, HYPOTHETICALLY SPEAKING, and hypothetically speaking only, the 'COVID-19' virus is "airborne", meaning, able to sustain itself via proximate transmission, that is not direct contact. And if hypothetically speaking, the virus was really able to sustain itself in this environment ('airborne') for longer than any flu virus observed, what are the possibilities the virus could possibly come into the car via the cabin filter?

Please stick to the exact hypotheticals, and exact question. I know there are a thousand tangents on this, but this has to do with how protective the cabin filter would be, and any associated danger that the virus actually presents in coming in through there, and out through your air conditioning ducts. That's it. That's the scope. Please respect and stick to it. If you have another virus related question that's a tangent off of this, I ask that you start another thread. I don't want tihs to become a conspiracy thread on everything coronavirus.
 

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This will not happen! Unless you drive your car through a grocery store, a department store, a hotel or through a casino! And here is why, a virus comes from the air that people expel as they breath. So to get a virus that some one else has you would have to breath the EXACT air that came out of their mouth! Like when you are in a casino you walk behind someone you breath in the exact air that they let out because you are that close to them to actually breath in their air! That is why they want social distancing! When you are driving your car there are no people in front of you are there. In the OPEN air you can not get a virus. You have to be real close to the infected person and breath in the air they expel! This can not happen when you are driving your car! Don't worry! It can not happen!
 

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This will not happen! Unless you drive your car through a grocery store, a department store, a hotel or through a casino! And here is why, a virus comes from the air that people expel as they breath. So to get a virus that some one else has you would have to breath the EXACT air that came out of their mouth! Like when you are in a casino you walk behind someone you breath in the exact air that they let out because you are that close to them to actually breath in their air! That is why they want social distancing! When you are driving your car there are no people in front of you are there. In the OPEN air you can not get a virus. You have to be real close to the infected person and breath in the air they expel! This can not happen when you are driving your car! Don't worry! It can not happen!
I agree with this. You're not gonna get it with out close proximity to other people, or handling/touching things that infected people have contaminated via close proximity (up to 3 days I understand), and then transferring it to soft tissue (mouth, nose, eyes, ect...) via your hands. You should be more concerned with stuff like sanitizing or quarantining received packages and groceries. I have a neighbor doing yard work with a surgical mask which is nuts in my opinion. Keep that 6 feet plus distance from other people when in public, and wash/sanitize your hands a lot when you handle anything strangers may have touched.
 

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