High Output · Low Waste · Compact Tankless Design · Full OEM Customization
The 400 GPD UV Tankless RO System is engineered for modern water purifier brands seeking reliable performance, compact structure, and strong market competitiveness. With built-in UV sterilization, a hygienic tankless design, and an efficient 1.5:1 pure-to-drain ratio, this system delivers fresh, safe drinking water while reducing wastewater and saving under-sink space. Designed for OEM/ODM flexibility, it supports full customization to meet various regional standards and brand positioning.
High Demand Tankless Technology
Tankless RO systems are one of the fastest-growing segments in the global water filtration market. Compact size, faster flow, and hygienic design make them highly attractive to modern consumers.
Premium Feature: Built-in UV Sterilization
UV protection enhances bacterial control and increases product value, ideal for premium and health-focused markets.
Better Water Efficiency = Stronger Market Advantage
1.5:1 pure-to-drain ratio significantly reduces wastewater compared with conventional RO systems, improving eco positioning and compliance in water-saving regions.
Easy Maintenance Improves Customer Satisfaction
Quick-change twist cartridges reduce service cost, simplify after-sales, and improve user experience.
Product Specification
| Parameter | Specification | Parameter | Specification |
| Water Source | Municipal Tap Water | Water Flow Rate | 400GPD |
| Maximum Flow Rate | 0.27 Gallons Per Minute | Operating Pressure Range | 0.10 - 0.80 MPa |
| Filtration Stages | 4-Stage | Filter Configuration | PP + CTO + RO + T33(Customizable) |
| Product Dimensions | 15.6"L x 5.3"W x 15.7"H | Installation Type | Under Sink |
Product Details






Integrated UV module provides an extra layer of purification, reducing bacteria risk and improving water safety.
No storage tank means:
Only 1 gallon wastewater for every 1.5 gallons purified water — better than traditional RO systems.
PP + CTO + RO + T33 (customizable) effectively removes:
Tool-free replacement improves user convenience and reduces maintenance cost.

We provide full private label manufacturing with flexible customization:
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