In a sick room setting, how long can one expect this mask to filter before it needs to be changed?
337586
I can't tell which mask you mean from this format, but the two types I bought on Amazon state that they are basically for particulates instead of gas/mold spores/asbestos. They have built-in respirators to let air in however, so probably wouldn't do for a sick room. I have bought the little masks that are for medical situations, though, and those are to be used just once.
1974724
I change mine every month with the filter, the filter get mold on it if left in to long. Better safe than sorry
66374
Prefilter: Directions say every 90 days. I run my filter 24/7 and need to change the pre-filter every 60 days. HEPA filter is supposed to last 1 year. I change mine more often due to severe allergies and chemical/fragrance sensitivities; mostly due to scent.
2279326
The unit has a timer that reminds you to change the filter every 6 months. I changed the filter for the first time this month (I've only had my GermGuardian 6 months) but after I did I realized the filter wasn't all that dirty, probably could have easily been wiped off and would have lasted at least another 3 months. We have a large dog but live in Seattle where there's not a TON of dust in the air. We run it 24/7 on medium.
2081844
Clean pre-filter 2-4 weeks, deodorization filter replace 6 months, HEPA filter replace every year.
929584
I actually use a different filter that i place on top of the screen. I understand that there is no way to attack the filter that is why i just place over the filter. This type of filter (Filtrete) I cut and actually cover the window where the air blows. I am deployed and the the dust enters the AC. In order to privet dust from entering the room, I have to tape the filtrete over the the window that blows the cld air inside the room. I change the filtrate every two weeks and that's how fast the filtrate accumulates the dust and pollen. It does help though, I have weak lungs, and so far it does help clean and trap those dust particles in the air. The color white turns gray over a span of two weeks. It doesn't look very neat but i use it for the purpose of really filtering the air in my room.
1061426
To keep dust and mold out of my system I used the pink circle filters (3M Tekk P100 Particulate Filter with Nuisance Level Organic Vapor Release) and it worked wonderfully--much better fitting and much better working than those disposable masks. If you have allergies or asthma or got really irritated lungs/nose/throat the last time, I would recommend this for the next time.Others have mentioned more detailed specs on the 3M website. (Your second question, I don't have a response for.)
1818547
Depends on how dirty your air is - if you are smoking, or very have very dusty air, cooking odors - it won't last as long. Otherwise, 3-5 years - You do have to take out the foam filter surrounding the inside now and then and shake it out or rinse it. They said you can tell when the big filter needs changing by the air coming out of the machine not smelling good or if you notice odors staying in the air longer than before. I got it mainly to help with my allergies and breathing problems also for any bacteria and viruses. It does filter out 300 different particulates. I use mine 24/7 and it is still doing great almost 2 years later. Depends on how dirty your air is - if you are smoking, or very have very dusty air, cooking odors - it won't last as long. Otherwise, 3-5 years - You do have to take out the foam filter surrounding the inside now and then and shake it out or rinse it. They said you can tell when the big filter needs changing by the air coming out of the machine not smelling good or if you notice odors staying in the air longer than before. I got it mainly to help with my allergies and breathing problems also for any bacteria and viruses. It does filter out 300 different particulates. I use mine 24/7 and it... » Read More Depends on how dirty your air is - if you are smoking, or very have very dusty air, cooking odors - it won't last as long. Otherwise, 3-5 years - You do have to take out the foam filter surrounding the inside now and then and shake it out or rinse it. They said you can tell when the big filter needs changing by the air coming out of the machine not smelling good or if you notice odors staying in the air longer than before. I got it mainly to help with my allergies and breathing problems also for any bacteria and viruses. It does filter out 300 different particulates. I use mine 24/7 and it is still doing great almost 2 years later. « Show Less
1802843
I have only had the unit for about 3 -4 weeks but there is a indicator on the unit that will tell you when to change filter. I do not know if this helps.
583167
You must be in Shanghai or another city in China too. My husband's employer's HR department recommended the 3M N95 masks. I am using them and I truly hope that they are effective since the AQI here has been around 500 yesterday. I think PM2.5 hovered at about 300. Wish I could give you a definitive answer. I do notice a difference between when I am wearing a mask and when I forget to put in on.
1802839
The filter can be changed either 6 months or a year, but you must remove the front panel and vacuum off any debris about every 2 months, depending on how dirty it gets will determine how often you have to do this.
369067
I have only used it for about 6 weeks. Every other week I took out the filter and put it in a diluted vinegar solution over night. I hope that the filter will be cleaned and lasts a little longer.
972087
I think that info should be in the instructions the humidifier came with. Im sorry. Our filter does not need changing yet.
1103066
The filter comes with a small liquid type of timer with adhesive that attaches to the filter and you activate when installing it.Depending on the number of persons the filter may last 4 - 6 months. You will know when to change it by a noticeable drop in pressure.
1049042
On the old models I changed every 30 days. This one, with filter A, says it will last 3-6 months. I haven't had this one long enough to know for sure.
922616
and usage...if you run it 24/7. I would change every three or four months. Some folks just vacuum the filters. I'm goona try it.)
1977031
just filter changes..I'm sure you'd want to wipe it down etc just as a matter of normal cleaning though