| The blue air filters are not "true HEPA filters" and | | | | particles in the air. |
| so their filters do not trap as much smaller | | | | The negative side (no pun intended) is that |
| particles as the true air filter will. The blue air | | | | negatively charged ions are created and this can |
| purifiers uses other means to trap these smaller | | | | get back out in the air. Negativity charged ions |
| particles, but do they mach up the the leading | | | | are not safe to breath in and especially risky for |
| bands or HEPA? | | | | asthmatics and others suffering from upper |
| HEPA strands for high efficiency particulate air and | | | | respiratory disorders. Blue air purifiers compensate |
| is the range of filters that can trap and contain up | | | | for this by using carbon to remove the negative |
| to 99.9% of the indoor air borne particles. The | | | | ions. But I am not sure how much is allowed to |
| best of the HEPA will be able to stop minute | | | | pass back into the air. |
| particles up to 0.3 microns small. This is important | | | | Blue air purifiers are much more quiet as a result |
| because for an allergy sufferer you want to | | | | of the techniques they use and the filter |
| make sure that your air in your home is as clean | | | | technology they employ in there units. As a |
| and free from concentrate as humanly possible. | | | | allergy sufferer I prefer not to take that chance. |
| 1. The blue air filters are not true HEPA filters. | | | | 2. The blue air filters and purifiers are a lot more |
| The blue air purifiers uses a combination of air | | | | expensive than other air purifiers in it's class. This |
| filters and internal electrostatic ionizers. Even | | | | will make this unit out of the reach for most |
| though the air filter will allow smaller particles | | | | people. But the good news is that you can get a |
| through, these particles are charged with a | | | | unit that is comparable to the blue that won't cost |
| negative ion to trap them and prevent them | | | | you a fortune. These units all use true HEPA |
| from re-entering the air. This is great because | | | | filters and won't negatively charge the ions in the |
| even though they do not use HEPA filters, they | | | | air. |
| sill manage to trap the same amount and size of | | | | |