Several days ago, I called up a salesperson and she came over my house to demonstrate this cleaning system to me within 24 hours. I like her way of doing business.
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The system looks great to me, without much hesitation and price negotiation, I had decided to buy one unit. The salesperson looked rather surprised with my quick decision. Only then, she knew I have a good reference for this system from my part time maid, who has been using this system for more than 5 years herself.
3 days later, a brand new system was delivered to my house. The same salesperson taught me very enthusiastically the way of cleaning by using with different brusher / header (I hope I can remember all these without checking its manual frequently).
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Actually, I have been keeping my eyes over the home cleaning systems ever since we bought the new house last October. Before this unit, I have watched another demonstration of another system, using filter paper as filter.
Although using paper as filtering is more convenient (save the time in cleaning the water bowl after used), the filter paper specially designed for this purpose is not cheap. Whenever they raise the price of this filter paper, I just got to follow it. Furthermore, assuming I change filter paper once in 2 weeks or 3 weeks or a month, those dirt / dusts / germs / bacterias will be kept in the chamber for that long with the filter paper. Ahh...I just don't feel good about all this.
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So, it's not very difficult to choose between the cleaning system that use water as filter or paper as filter. Wise housewife like me had chosen water (cough cough).
Besides the normal cleaning functions, this system can be used to clean the indoor air. This is especially useful to us as our new decorated house may release higher level of Formaldehyde gas from the new furniture etc. The salesperson had presented me with some data that Formaldehyde gas can be dissolved in water well, thus, can help to remove this colorless gas efficiently (Gosh, I have no idea of this though I'm a Chemistry graduate).