First of all, the material of the overall equipment, PVC piping and 304 stainless steel piping and 316 material piping price is certainly not the same. Stainless steel membrane shell and PVC membrane shell prices are also very different.
Filter quality and specifications, due to customer demand for water is not the same, so the size of the filter, material and cartridge and other factors are directly affect the price.
The number and origin of reverse osmosis membrane, each reverse osmosis membrane water output rate is a certain limit, so the larger the general water output, then the more reverse osmosis membrane required. And 8040 and 4040 specifications of the membrane price is not the same. Imported membrane elements than the domestic service life is longer, better filtration effect, the price is also higher.
EDI module and resin, the current water quality to achieve ultra-pure water standards, it is necessary to use ultra-pure water resin or EDI module. EDI module is easy to use, fully automated operation, but the price is relatively high, a need for twenty thousand to fifty thousand. Ultrapure water resin is purchased and used on demand, but need to have personnel to add cleaning regularly.
Details can be seen on the official website: web link