14 G-Midifier replacement filters (Blue G-Midifier)
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14 G-Midifier replacement filters (Blue G-Midifier)

Price: $9.99
  • Item #: GMF02
  • Manufacturer: Dansa LLC
  • Manufacturer's Product Number: GMF02
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Q: How frequently do I need to replace the G-Midifier filters?


A: It varies from one customer to another. Normally, the filters last for a few years if you clean them regularly and properly.


Q: Tell me how to clean the filters if I don't have a dishwasher.


A: Without removing filters, dipping in cold water with a half cup (4OZ) of vinegar is a good way to remove the stain on filters for 6-7 hours. Rinse thoroughly with cold tap water. A few cleanings a month will do.



Q: The filter color changes into light orange or yellow pretty soon. Are these bacteria or molds?


A: No. There are bacteria or molds in the air not in most US tap water. If bacteria or mold were in any US tap water, many people would get sick. This is our everyday drinking water.


The molds are black dots and the size is about 1/4" diameter or bigger. The light orange or yellow color is from the minerals in tap water. If you use distilled water or reverse osmosis filtered water, there will be no color change for long time.


The pure white color filters enable you to notice the color changes quickly for a better hygiene.


In rare cases, molds grow on the surface of filters. Cleaning mold is almost impossible. Please do not use bleach to clean. Bleach is harmful to human body. Replacing filters is recommended.


Q: How often do I have to clean the filters?


A: It depends on the customer preference and concentration of minerals in the water. Cleaning a couple of times per month is recommended. It will not that easy cleaning filters after they get too dirty. Cleaning a G-Midifier filter is a lot easier than those of any electric humidifiers.


Q: Can I use a dryer to dry filters?


A: No. Using dryers are not recommended. Please avoid the sun shine when drying filters. Since the filters are always wet in G-Midifier, you do not have to dry them after cleanings.


Q: What is the filters made of?


A: The filters are made of polyester: the same material as transparent plastic water bottles.


Q: How does G-Midifier control bacteria and molds growth?


A: Anti-bacterial treatments for both the raw material of filters and plastic containers help diminish bacteria and molds growth in G-Midifier. The workers in the factory practice safe hygiene the manufacturing process.


Q: What is the difference between using a G-Midifier and placing a pan of water?


A: Each G-Midifier plastic container has 15 tunnels in the center. Those tunnels enable warm air move upward from the bottom to top and mix with the cool air above the water surcace in between the tunnels. This effect generates the evaporation much easier and more quickly than a pan of water. If you have a pan of water, the cool air moves upward cylindrically and does not mix well with warm air in the room. The temperature of the water surface in a pan is much colder than that of the water in the filters. You may need several pans of water to get a similar result of one G-Midifier.


Q: What is the difference between hanging a wet towel and using a G-Midifier?


A: Hanging a wet towel will work fine. But, one wet towel is not enough to humidify a room. Using a G-Midifier is equivalent to hanging 10 wet towels.


Q: Can one G-Midifier really replace an electric humidifier?


A: Sure. G-Midifier works much better than an electric humidifier and can substitute for any electric humidifier. G-Midifier naturally controls into an optimal humidity level of 25-55%. Warm or cool mist humidifiers always make soggy around the humidifiers because the mist particles we see are heavier than air. Bacteria and mold grow not only inside electric humidifiers but also around them.


Q: Do I need a floor register to place G-Midifier on?


A: Yes and No. You can place G-Midifier on anywhere you want. If you place G-Midifier near the heat source, the evaporation will be much quicker and get a higher humidity level than placing on a table. You can place G-Midifier on a table or desk near your bed and will have enough humidity in a regular room.




Q&A with one of G-Midifier customers regarding the filters.

Q: I've been using the G-Midifier and do find it helpful as a humidifier. However, I am concerned about the fact that the filters began to show mold or bacteria--a sort of orangy or peach-colored spot--across the top after only one or two days of use. The spots, whatever they are, grew every day, spreading in both directions from the center toward the outside edges.

Overall I would say my reaction so far is mixed: I like the appearance and function of your design, but the rapidity of the appearance of bacteria has me concerned. That's always a problem with all humidifiers, as you know--I was hoping yours had miraculously avoided it. Yours is actually especially conspicuous (which may be a good thing.) No hidden problems, at any rate.

A: I appreciate your feedback. Any comments and/or suggestions are welcome to impove the future G-Midifier.

If you use distilled water or reverse osmosis filter purified water, you will not see any orangy or peach-colored spots for many years. According to my past experience, I do not think that orangy or peach-colored spots are molds or bacteria. That color is from iron or other minerals in the tap water. The depth of color is different from one city to another because of the mineral concentration.

I tested with bottled mineral water and reverse osmosis filtered water. I see the color with bottled mineral water; whereas, no color shows with the reverse osmosis water. In some cases, using high conentration mineral well water generates black color changes all over the filters.

If you see very distinctive 1/4 inch diameter black or dark blue spots on filters, they are the sign of molds. Once molds appear on the surface of filters, there is only one way to clean them: bleach. However, I would not recommend using bleach to clean filters because it is a very strong chemical.
According to a lab test, bacteria and/or mold are not easy to grow in G-Midifier. Please go to my website. You can find the copy of the lab test results. If you clean G-Midifier regularly, you would not have to worry about bacteria or molds.
The reason I choose pure white filters is for a better hygiene just like the same reason of using pure white color of a toilet. My customers can easily notice the color change. I could have used orange or yellow filters. But, I do not like to hide the water minerals on the filters.
We drink the tap water and cook with the tap water everyday. Normally, there are no bacteria or molds in any US tap water.
Please do not use a dryer to dry the filters. Filters are made of polyester: the same material as the transparent plastic water bottle.
The expected life of G-Midifier filters are at least a few years. In rare cases, mold appears on filters. If mold appears, a change of the filters is recommended. The price of replacement 14 filters is $9.99.

Q: Thanks! I was thinking of trying distilled water. If you spend this much time on every customer, you will not have time for more inventions!

A: You are always welcome. Every customer is extremely important to me. I already have 42 patents. I will have hundreds more for the rest of my life. Inventing useful products is not difficult. Prototyping and manufacturing are a little more challenging. The most difficult thing is marketing and sales. I inspired a few of my friends they never thought about inventing. I have co-inventors with Strainee and Wall Frame Marking Tool. One of my friends' daughter, a young mother of two beautiful children, called me three years ago and complained that "I hate to clean stinky dirty metal strainers. Is there anything you can improve?" That is all she said. And, I researched, designed, applied the patents, manufactured, and sales. Every year, I pay royalties to her. One of my friends, a successful contractor, called me in May 2011 explained about saving time and effort marking wall frames. What he has used was very primitive angled tool making the job easier. I searched prior arts, designed, applied the patent, and currently manufacturing a mold. Without the tool, it costs $3,000-4,000 and takes three days installing wall frames in a four bed room house. With the tool, it takes only one day. For the past several hundred years, contractors, carpenters, handymen, builders, and interior designers have taken much much longer time measuring and marking. No one has ever thought about doing it a better way except my friend. This is a great tool.
You too can invent something if you do not just endure any inconvenient cumbersome jobs. Just think "Is there any better way to solve the problem?" This kind of thought processes is all you need. May I list your emails and my emails on my website for my other customers? It will be very helpful understanding about minerals on the filters. Of course, I will not disclose your personal information.

Q: Hi - Interesting. It's alright with me if you use my/our e-mails as long as neither my name nor e-mail address, nor any other possibly identifying information, is made available. You're welcome to just make up a name and location for me.

A: Thanks a lot.