Iron Frame Under Sink RO Water System With 6 Stage Filtration 3.0G Pressure Tank
| OEM/ODM Service: | Yes | Customization Options: | Color, Flow Rate, Filter Configuration, Package, Ect. |
| Recommended Application: | Household | Installation Type: | Under-Sink |
| UV Sterilization: | Optional | Filtration Stages: | 6-Stage |
| Operating Pressure Range: | 0.1-0.4 MPa | ||
| High Light: | Under Sink RO Water System,3.0G Pressure Tank RO System,Iron Frame Undersink RO Filter |
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Designed for reliable under-sink installation, this robust iron-frame RO water purification system features a comprehensive 6-stage filtration process (PP+UDF+PP+RO+UDF, customizable) and is equipped with a 3.0G pressure tank for stable water supply. With a flexible flow capacity of 50-400GPD and optional configurations including pressure gauge and mineralization filters, it delivers clean, safe drinking water tailored to household needs.
The system operates efficiently at 30W power consumption and includes Class I electrical protection for safety. Its durable construction and modular design make it an ideal OEM/ODM-ready solution for homes seeking a dependable, customizable water purification system.
- Durable iron-frame construction for under-sink installation
- 6-stage customizable filtration with optional mineralization
- Equipped with 3.0G pressure tank for consistent output
- Optional pressure gauge for system monitoring
- Energy-efficient 30W operation with safety protection
- Flexible flow capacity up to 400GPD
| Parameter | Specification | Parameter | Specification |
| Water Source | Municipal Tap Water | Operating Water Pressure | 0.1–0.4 MPa |
| Water Temperature Range | 5–38°C | Ambient Temperature | 4–40°C (Indoor) |
| Relative Humidity | ≤90% at 25°C | Rated Voltage/Power | 220V/30W |
| Electrical Protection | Class I | Product Dimensions | 380 × 180 × 440 mm |
| Flow Capacity | 50–400 GPD | Pressure Tank | 3.0 Gallon |
| Filtration Stages | 6-Stage Filtration | Filter Configuration | PP + UDF + PP + RO + T33+MF (Customizable) |
With over 20 years of OEM manufacturing experience, Viano offers comprehensive customization services for water purification products. We provide flexible options including logo, color, packaging, filter media, wastewater ratio, mineralization, and alkaline level adjustments to match your brand and market needs.
If you have additional customization requirements beyond these, our dedicated team is ready to collaborate and develop tailored solutions. Contact us to bring your unique product ideas to life with professional OEM support.


This efficient water purification system utilizes six specialized filtration stages to deliver clean, safe drinking water through an advanced reverse osmosis process. Each stage targets specific contaminants for comprehensive water treatment:
- PP Sediment Filter – removes rust, sand, and large particulate matter
- UDF Activated Carbon Filter – reduces chlorine, odors, and organic compounds
- CTO Carbon Block Filter – further adsorbs chemical impurities and fine particles
- Reverse Osmosis Membrane – removes dissolved solids, heavy metals, bacteria and viruses
- T33 Post-Carbon Filter – final taste enhancement and residual odor removal
- Mineral Filter – adds beneficial minerals for improved water taste
Together, these integrated stages create a reliable multi-stage water filtration system that combines thorough purification with optimized water quality in a space-efficient design.

This under-sink water purifier features an efficient, space-saving design perfect for modern kitchens. It integrates a built-in 3.0G pressure tank to ensure a stable and reliable supply of purified water. The unit's compact dimensions allow for discreet installation while maintaining full reverse osmosis filtration performance for clean, great-tasting drinking water on demand.

This water purifier system comes with an optional pressure gauge that helps monitor the unit's operational status. By displaying the internal water pressure, it provides a visual guide for when your filters require replacing. A significant drop in pressure typically indicates reduced flow due to filter saturation, offering a clear and timely reminder for easy DIY maintenance.

