What we should consider to buy Water filters, water purifiers, whether it is the other main Mai or to consider it as the same. Where the principal has all 5 together.
What should be taken into account in order to purchase. Water, whether it is water or other Chiang Mai is the main consideration is the same. The main use is with all five questions.
What we should consider to choose to buy water purifier, whether a machine กรองน้ำ Mai or somewhere else, that major consideration is the same. The main used exist together 5 items.