RO-2A Under-Sink RO Water Purifier
Product Overview
The RO-2A Under-Sink RO Water Purifier is an ultra-slim reverse osmosis system designed for flexible kitchen installation. With an ultra-thin body that can be placed horizontally or wall-mounted, it saves valuable under-sink space without compromising performance. Equipped with a premium filter set, the unit delivers four-stage deep filtration through pure physical purification, producing water that is clean, safe, and pleasant to drink for the whole family.
Product Dimensions & Core Parameters
Main unit and pressure tank dimensions are shown below (manual measurement, tolerance of 1-3 cm; actual product prevails), along with the key operating parameters.
| Filtration Accuracy | 0.0001 micron |
| Power Supply Voltage | 24VDC |
| Inlet Water Pressure | 0.1-0.4 MPa |
| Water Storage Tank Capacity | 5 L |
| Rated Power | 38 W |
| Purified Water Flow Rate | 285 L/D |
| Applicable Water Temperature | 4°C-38°C |
| Installation Method | Component Installation |
Product Details
Quality is in the details: five independently arranged water outlets, a quick-connect interface, and a silent self-priming pump work together to ensure clean, hygienic drinking water.
- Five Independent Water Outlets — Five water outlets are independently arranged, fully ensuring the cleanliness and hygiene of drinking water.
- Quick-Connect Interface — Quick-connect interface design allows for easier installation and removal, with a more reliable seal.
- Silent Self-Priming Pump — Low-noise self-priming booster pump for quieter operation and more stable, lasting water output.
Ultra-Slim Body Saves Kitchen Space
The ultra-thin body design saves 35% of kitchen space. It can be placed horizontally or wall-mounted in the kitchen to beautify the space, with easy installation that doesn't take up room.
Four-Stage Filtration Until Clear to the Core
Municipal tap water passes through four stages of filtration, purified layer by layer, just for a cup of safe and healthy drinking water.
| Stage | Filter & Function | Replacement Cycle |
| Level 1 | Polypropylene Fiber (PPF): filters residual chlorine, bacteria, heavy metals, rust, colloid, floating objects, microorganisms | 6 months |
| Level 2 | Granular Activated Carbon (GAC): adsorbs residual chlorine, odor, heavy metals, floating objects | 6 months |
| Level 3 | 75G RO Membrane: efficiently filters bacteria, heavy metals and other harmful substances, producing pure water and waste water | 24 months |
| Level 4 | Post Activated Charcoal (T33): further improves water taste and quality, removes odor | 12 months |
Product Specifications
The table below lists the detailed parameters of the RO-2A model. Specifications are subject to change without notice; please refer to the actual product.
| Product Model | RO-2A (Under-Sink Four-Stage RO) |
| Product Dimensions | 410×100×330 mm |
| Package Dimensions | 475×395×395 mm |
| Filtration Stages | Four-Stage |
| Filter Configuration | PP Cotton + UDF Granular Carbon + 75G RO Membrane + Post-Carbon |
| Filtration Accuracy | 0.0001 micron (RO Membrane) |
| Water Storage Tank Capacity | 5 L |
| Rated Power | 38 W |
| Purified Water Flow Rate | 285 L/D |
| Power Supply Voltage | 24VDC |
| Inlet Water Pressure | 0.1-0.4 MPa |
| Applicable Water Temperature | 4°C-38°C |
| Installation Method | Component Installation |
About Us
Huizhou Qiteng Environmental Protection Technology Co., Ltd. specializes in the research, development, production, and sales of residential and commercial water purification equipment, committed to providing users with safe, healthy, and reliable drinking water solutions. Guided by the philosophy of "pure drinking water, healthy living," our products are sold nationwide and widely trusted by customers.
Huizhou Qiteng Environmental Protection Technology Co., Ltd. | Specifications are subject to change without notice. Please refer to the actual product.



