Does Rainbow E2 Black really need a hepa filter?

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CPAP machines

I’ve only seen three of them up close, but they each had their own filtration setup for incoming air. Not trying to start a new discussion, but I thought it was worth mentioning for the sake of accuracy.
 
CPAP's do have a filter...but they can get nasty from what I understand...even with a filter..

Trying to put it in words. Say you put some essential oil on a cotton ball and suck it into a bagged vac...that's fine. You can smell it..it smells good...but if you put drops of the same oil into the water and start using the rainbow...it's like a totally different "feel and smell"... Maybe I'm crazy? My rainbow is from 2006.. a gold 2 speed. The HEPA hasn't been changed in years and the fans still look good. I've taken super good care of it... I hate the new SRX from what I've seen. At one point I almost upgraded to the black rainbow (which I think is the best of all of them) but the SRX is a step down I think...even from mine. I'm glad I still have it and it's in good condition...After all these years having it...even though I don't use it every time I vacuum...I still wouldn't want to be without it.
 
Hey Electro

Is that Tom from Indiana??? with the black rainbow? You have the best one.. KEEP it. LOL The new one is definitely a step down...they took the power away and the basin in smaller... Do you still clean the church? I know you use your rainbow for all kinds of cleaning...your porch...the garage..etc.

Maybe if I get bored I'll snap some pics of the inside of my rainbow...really not sure how it's stayed so clean all these years because I've used it a LOT...but the fans still look great and my machine still looks almost MINT except for the dolly which has a funky spot on it where years ago I fell off of a ladder with it a part of the dolly hit took most of the brunt of the fall but it caused a discolored spot on the dolly.... I think that was in the first year of my owning it. (LOL) That's when I ended up buying the 14-foot non-electric hose LOL...best purchase ever for my rainbow. I can even use my 14-foot rainbow hose on my cirrus HEPA bagged vac if I don't feel like using my rainbow...I can pop the cirrus hose off and it fits right into the 14-foot rainbow hose...and I can use all the rainbow attachments, etc...but the smell...that rainbow smell....You can't beat it...that's why I always end up using it pretty frequently.
 
Mark, I won't be buying any new vacuums. I checked my hepa filter and I think it SHOULD be renewed. I also need to have the latch repaired on the hose. You are correct. I do use my Rainbow to clean the porch, blinds, garage floor and have used the sprayer to clean my siding on the house. I still use it when it is my turn to help clean the church. I don't like using the commercial machines as They always smell, even with new bags installed. The only NEW machine that interests me the German made Delphin. I like it's unique tools and power nozzle. I had forgotten you bought that other brand of water filter vacuum a few years back.
When I take mine in for service, I think I will buy that new small nozzle to pick up water or use when you shampoo stair carpets. I need a slight repair on my Aquamate too. They replaced the belt but did not get it snapped back right.
Here is a thought: It seems most new machines that use hepa bags expect you to replace the filter once a year. My Rainbow has had a LOT of use and is 11 years old and is just NOW ready to replace the hepa, so to my thinking the water does a pretty good job or my hepa filter would have been clogged years ago. There is not any trace of dust around my exhaust and never any odor of any kind when the machine is turned on or in use.
I can see where the fans would accumulate a fine layer of dust as the water mist would evaporate during use. My filter is not clogged but with a flashlight you can now see a fine layer of dust on the filter, so I would think it would benefit from a new filter after 11 years.. No expert here and I don't think the Rainbow is the best for everyone or even the most powerful machine but mine has been well made, trouble free and for me the most important-no odor-ever.
 
Tekjunkie28,

You said "I dont agree with the statement that older rainbows blew out mist but Id like to see that. I bet that came about from people who didnt know how to use it."

For the first 60 years of Rexar/Rainbow, there was no exhaust filter and dealers spoke highly of "water washed air". How do you think the air gets "water washed" without water? This "mist" I speak of is very fine of course, but it is still a mist.

As you can see in the video, the particle count increases 61% and the relative humidity increases by 2.6%. And that's just in 10 minutes.

Similar results can be had by purchasing a $20 humidifier.

Newer Rainbows have a HEPA filter that does a great job of filtering the water particles emitted, but they significantly reduce the "water washed" smell, which I quite like.

 

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