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Currently, many consumers are confused about the difference between water purifiers and (ultra)pure water machines. In fact, ordinary household water purifiers and pure water machines differ significantly in function and purpose. Pure water machines typically have an additional ultrapurification process compared to water purifiers. Consumers can distinguish between the two in the following ways:
1. Technology
The biggest difference between reverse osmosis and ultrafiltration membrane technologies lies in their filtration precision.
Water Purifier - Reverse Osmosis: This refers to applying external pressure higher than the osmotic pressure of the solution to the inlet side of the membrane, allowing only water and certain components in the solution to selectively pass through, while other substances cannot pass through and are retained on the membrane surface. It is abbreviated as RO, and its filtration precision is 0.0001 microns.
Ultrafiltration - Ultrafiltration: This is a physical sieving process that uses pressure difference as the driving force to separate molecules ranging from several hundred to several million, with membrane pore sizes of approximately 0.001 to 0.2 microns. It is abbreviated as UF, and its filtration precision is 0.001 microns.

Ultrafiltration membrane
2. Structure
U-Pure Water Purifier: Features a booster pump, requires electricity, and has a storage tank. It typically employs a five-stage filtration system. The first stage is a filter cartridge; the second and third stages are activated carbon; the fourth stage is an RO reverse osmosis membrane used in aerospace technology; and the fifth stage is ultrapurification, removing fine particulate impurities to meet experimental and industrial standards.
Water Purifier: Has no motor and requires no electricity. It relies on water pressure to drive the filtration process. It uses stainless steel tubing for the body; stainless steel is heat-resistant, corrosion-resistant, and adaptable to environmental temperature variations.

Youpu pure water machine
3. Function
Youpu pure water machine: It can remove impurities, rust, sediment, colloids, bacteria, viruses, as well as radioactive particles, organic matter, fluorescent substances, pesticides that are harmful to the human body. It can also remove water, alkali and heavy metals; but at the same time, it can also remove trace elements that are beneficial to the human body.
Ordinary water purifier: It can filter out impurities, rust, some bacteria, viruses, colloids, etc. in tap water. The filtered water retains trace elements that are beneficial to the human body.