Reverse Osmosis System RO-90G
Five-stage 90G reverse-osmosis system with all-white filter housings and a 3.2-gallon pressure tank. Designed for ambient drinking and cooking water, with PP + UDF + CTO + RO + T33 filtration and a rated capacity of approximately 341 L/day.
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Reverse Osmosis System RO-90G
A five-stage reverse-osmosis water purifier designed to provide ambient drinking and cooking water for homes and offices. Its 90 GPD membrane delivers a rated capacity of approximately 341 L/day, while the coordinated all-white housings give the system a clean, consistent appearance. It is suitable for city water and, subject to water testing and appropriate pretreatment, borehole or deep-well water.
Five-Stage Filtration Process
- PP Sediment Filter – Helps reduce sand, rust, scale, sediment and suspended particles.
- UDF Granular Activated Carbon – Helps reduce chlorine, unpleasant odors and organic impurities.
- CTO Carbon Block – Provides additional chlorine, taste and odor reduction while helping protect the RO membrane.
- 90G RO Membrane – Provides fine membrane separation that reduces dissolved salts, TDS and a broad range of dissolved contaminants.
- T33 Post-Carbon Filter – Provides final taste and odor improvement before dispensing.
Key Features
- Five-stage PP + UDF + CTO + RO + T33 filtration
- 90 GPD rated capacity, approximately 341 L/day
- All-white filter housings
- 3.2-gallon (approximately 12 L nominal) pressure tank
- Purified water to wastewater ratio of approximately 1:2 to 1:3, depending on incoming water quality
- 220 V, 50 Hz electrical supply with 36 W rated power
- Operates at 1–4 bar inlet pressure
- Suitable for water temperatures from 5–50°C
- Compact under-sink installation
Included Accessories
- 3.2-gallon (approximately 12 L nominal) pressure tank
- 5 metres of PE water pipe
- Filter-housing wrench
- Connector
- 3-way ball valve
- Purified-water faucet
- Installation fittings
Recommended Filter Replacement Schedule
| Filter | Recommended Replacement Interval |
|---|---|
| PP Sediment Filter | 6 months |
| UDF Granular Activated Carbon | 6 months |
| CTO Carbon Block | 6 months |
| RO Reverse-Osmosis Membrane | 20 months |
| T33 Post-Carbon Filter | 6 months |
Replacement intervals vary according to incoming water quality and daily usage.
Warranty: 1-year warranty covering manufacturing defects, including applicable parts and repair service.
Important: This reverse-osmosis system requires electricity and produces wastewater during membrane filtration. Flush new filters and the storage tank thoroughly before first use.
| Electrical Supply | 220 V, 50 Hz |
|---|---|
| Filter Configuration | PP + UDF + CTO + RO + T33 |
| Filter Housings | All-white filter housings |
| Included Accessories | 3.2-gallon pressure tank, 5 m PE pipe, housing wrench, connector, 3-way ball valve, faucet and installation fittings |
| Model | INV-RO-90G |
| Net Weight | 11 kg |
| Operating Pressure | 1–4 bar (0.1–0.4 MPa) |
| Filtration Technology | Reverse Osmosis (RO) |
| Installation Type | Under Sink |
| Rated Power | 36 W |
| Pressure Tank | 3.2 gallons (approximately 12 L nominal) |
| Purifier Dimensions | 480 × 190 × 360 mm |
| Rated Capacity | 90 GPD (approximately 341 L/day) |
| Recommended Water Source | City water; borehole or deep-well water after testing and appropriate pretreatment |
| Electricity Required | Yes |
| Warranty | 1 year for manufacturing defects, including applicable parts and repair service |
| Wastewater Produced | Yes |
| Purified Water : Wastewater | Approximately 1:2 to 1:3, depending on incoming water quality |
| Water Temperature | Ambient |
| Application | Cooking Water, Drinking Water, Home, Office |
| Number of Stages | 5 Stages |

INV-RO-90G RO water purifier, 5 m PE water pipe, Filter-housing wrench, Connector, 3-way ball valve, Purified-water faucet, Installation fittings, RO storage tank with on/off valve, RO membrane-housing wrench.
Product Support
Need help with installation, operation, maintenance or replacement filters and spare parts? Aqua Cares provides reliable local after-sales support for this product.
How Can We Help?
- Installation and operating guidance
- User manual and product documents
- Replacement filters and spare parts
- Maintenance and troubleshooting assistance
- Support by phone, Telegram or email
