• Reverse Osmosis Disinfection Water Purifier
Reverse Osmosis Disinfection Water Purifier
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Reverse Osmosis Disinfection Water Purifier

Product Name: Ousai Reverse Osmosis Disinfection Water Purifier
Product Model: G3Z-500
Rated power: 75W
Ambient temperature: 3℃-45℃
Sterilization method: Hydrolytic O₃ disinfection unit
O Concentration: 0.2–0.3 mg/L (in water)
Water purification flow rate: 1.3–1.8 L/min
Raw water standard: Municipal tap water (compliant with GB 5749)
Water quality standard: GB 19298-2014 National Food Safety Standard for Packaged Drinking Water
Product dimensions: 451mm × 118mm × 333mm
Sanitary Permit: Yuewei Shui Zi (2025)-02-No. S0426
Disinfection Permit: Yuewei Shui Zi (2023)-02-No. S0180 (Hydrolysis O) 3 Disinfector)

Why should you use the Ousai disinfection and water purification machine?

To enjoy plenty of fresh, bottled water simply by turning on the tap at home, follow the “Bottled Drinking Purified Water Standard GB 19298,” and drink less pre‑packaged bottled water.

After being filtered by a water purifier, is the water really safe?

The biggest pain point of household membrane‑filtration water purifiers is the proliferation of harmful microorganisms. 
While water purifiers remove sediment, rust, heavy metal ions, and other contaminants from water, they also eliminate disinfectants—such as chlorine—from tap water, leaving the purified water highly susceptible to bacterial contamination.

Water purifiers without a disinfection function are not suitable for direct drinking.

 Principle of Ozone-Based Odor Removal via Hydrolysis

Equipped with hydrolyzed O 3 Antibacterial module

By controlling the O in the purified water 3 the generation rate and the purified water flow rate, ensuring that the water contains O 3 The effective concentration precisely eliminates microorganisms that proliferate in filtered water as well as on water-contact components such as pipes and valves, while ensuring the residual ozone level in the purified water. 3 The active ingredient ensures that the container is both filled and sterilized simultaneously, with no residual contamination.

It can disinfect, so you can drink it with confidence. 
Enjoy plenty of fresh, bottled water right at home.

Drink less pre-made water and more fresh water.

The sole purpose of purchasing a water purifier is to bring tap water up to higher hygiene and safety standards, replacing pre‑packaged bottled water; otherwise, there’s no need to spend money on one. 
Hygiene and safety indicators are the non-negotiable baseline for high‑quality, safe drinking water.

Truly good water 
Beginning with essence, returning to purity.

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Container filling

The water contains intrinsic antibacterial agents that continue to inhibit and eliminate bacteria within the container during filling and storage.

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Ingredient Preparation

Use O 3 Ingredients rinsed with fresh water can be safely used to prepare cold dishes (such as noodles), sashimi, and more.

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Preparation of sterile ice cubes

Use O 3 Fresh water is used to make sterile ice cubes, offering long-lasting antibacterial protection and a refreshing coolness—perfect for summer.


Hydrolyzed O developed and manufactured by Ousai3Both the generation devices and the disinfectors have been approved by the health authorities and are certified as “related to drinking water.”

“Hygiene Licensing for Sanitary Safety Products,” with categories including general water quality processors and drinking water disinfectors, among others. Furthermore, the products have been tested by the Shenzhen Institute of Metrology and Quality Inspection (SMQ) and found to comply with…

In accordance with relevant national standards, the Guangdong Provincial Microbiology Analysis and Testing Center (GT) conducted an acute inhalation toxicity test in mice, and the test concluded that the substance is essentially non‑toxic.

Ousai, together with Germany’s TÜV SÜD and the Dr. LÖRCHER Water Quality Testing Center in Stuttgart,

Dr. Van De Loo Testing Center (Germany), Shenzhen Institute of Metrology and Quality Inspection (SMQ), Guangdong Provincial Microbiology Analysis and Testing Center (GT)

We have established long-term cooperative relationships, and our products have obtained numerous domestic and international quality and safety certifications.

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Hydrolytic O₃ technology built for targeted bacteria control

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