Does it filter dust mite and dust mite secretion?
456391
I don't feel the ST70 does a good job filtering the air for dust of any kind except in the close vicinity of the unit. It is really only a small ozone generator and does do a good of freshing the air. I have the unit in a large walk in closet (8' x 12') that does not have forced air circulation and I still get dust accumulation on my clothes.
1175816
NO. But water assists in cooling and lubricating. It also keeps dust to a minimum.
505008
No, it has a synthetic fiber pad that sits underneath the bag chamber and that's it, if you want hepa filtering, look for a vacuum that states it clearly in the description, also I found the bags do not seal adequately and as such a lot of dust goes past the bag opening and gets sort of trapped in the synthetic mesh pad I described earlier.
1875458
No, but I only used it one season and then never bothered with it again. Next year's tag sale item! I thought it was too big, and the filter never really seemed to need cleaning. I bought it to remove particulate matter - smoke - that might get into the house from using the fireplace in the winter, but I don't think it's really made for that.
1806675
Not really. It has a single layer of screening over the openings but that's about it. It does catch some dust.
2223331
The carbon filter on the front of the filters collect a lot of dust. I vacuum it clean once in a while. For your question, I would say yes.
1562799
I don't know about microns, but the filter helps with allergens a lot. I live in the deep South where the pollen is very bad right now. Allergy testing revealed that I am allergic to everything tested except two items. It is wonderful to experience relief.
1194714
I actually use it more for the vac, it does suck up pollen because the filter is full of the nasty yellow stuff, even tho I can barely see it on the surface. I assume that it's working on the dustmite droppings also. I can't really answer regarding the ultraviolet light, sorry. I do like this product, easy to use and lightweight.
247768
I think so. One side is black (the side shown in the photo) and turns grayish whitish from dust, etc. as it filters the air that passes through it, as long as you insert the filter in the appropriate direction.
2282929
Yes it does. It uses two types of filter, one which is meant to be permanent, and one which is meant to be replaced periodically. It comes ready to go with both. In the past I simply vacuumed the replaceable filter between replacing it and that seemed to work pretty well also.
522901
This filter is for "particulates" i.e. particles. In other words, DUST.It does not filter vapors i.e. GAS. You need a gas filter to filter out vapor/gas. The charcoal in these filters helps to eliminate odors and that makes working in smelly environments more comfortable; however, it does not actually filter out any vapors or gases--it just reduces the smell.
59354
It is a HEPA type filter, which is about as close to one as you'll get in a unit this size. I use it in my computer room and it filters allergens well for me. I have horrible allergies. Make sure you are using it in a small area (10x10 or so) for best results.
1648640
It just filters dust as I live in the country and was trying to keep control of house cleaning time. It has helped a lot with my problem. I have to clean the carbon filter regularly, but the hepa has lasted very well.
1145334
No vacuum can pick up more than a tiny fraction of dust mites. You need to clean the bedroom very thoroughly every month and change the bedding at least once a week. The bedding needs to be regularly washed in hot water. I continuously run a Honeywell HEPA filter in the bedroom to reduce significantly dust in the air.
2246558
Yes, just make sure to use a paper filter bc the holes in a gold filter do let some fine dust through.
460695
Yes, you can use it in both cases. However, it is only acting as a pre-filter for your vacuum and probably wouldn't be any better than just the vacuum for anything other than the plaster dust.
996752
I believe that it should. Mine is next to some gerbil cages that get dust baths. The dust gets caught in the carbon filters and what doesn't get caught there it gets caught in the HEPA filter.