Xiaomi Smart Filtered Water Dispenser Composite Filter RO1 (BHR8173GL)

With a 0.0001-micron reverse osmosis membrane, this composite filter eliminates over 99.9% of bacteria, viruses, and heavy metals from your tap water, delivering bottled-quality purity for up to 24 months or 7,200 litres.

Overview

The Xiaomi Smart Filtered Water Dispenser Composite Filter RO1 is a 4-in-1 replacement cartridge designed for Xiaomi Mi Smart Water Purifier series. It combines PP cotton, activated carbon, a high-precision RO membrane, and post-activated carbon in a single quick-change module. The filter reduces TDS by more than 90% and removes chlorine, odours, scale, and organic contaminants, ensuring crisp, clean drinking water.

What stands out

• 4-in-1 composite design: PP cotton, activated carbon, RO membrane, and post-carbon in one cartridge
• Ultra-fine 0.0001-micron RO filtration removes heavy metals, bacteria, and viruses
• High capacity: rated for 7,200 litres or up to 24 months of use
• Tool-free twist-and-pull installation for quick replacement
• Smart filter life monitoring via Mi Home app (with compatible purifiers)
• Food-grade ABS housing and certified filter media for safe water contact

Technical details

• Filter type: Composite RO (Reverse Osmosis)
• Filtration stages: 4-in-1 (PP cotton, activated carbon, RO membrane, post-activated carbon)
• Filtration accuracy: 0.0001 microns (RO membrane)
• Compatible devices: Xiaomi Mi Smart Water Purifier series (1A, 2, 2S, 3, 400G, 600G)
• Filter lifespan: Up to 24 months or 7,200 litres
• Rated total purified water volume: 7,200 litres
• Operating water pressure: 0.1 - 0.4 MPa
• Inlet water temperature: 5 - 38 °C
• Inlet water quality: Municipal tap water
• Bacterial removal rate: >99.9%
• Virus removal rate: >99.9%
• Heavy metal removal rate: >99.9%
• Chlorine removal rate: >99.7%
• TDS reduction rate: >90%

Our verdict

The Xiaomi Composite Filter RO1 delivers exceptional purification performance with its advanced 4-in-1 design. Its long lifespan and easy installation make it a reliable choice for maintaining your Xiaomi water purifier's efficiency and ensuring safe, great-tasting water for your household.