Ro Water Filter – front view, Sri LankaRo Water Filter – cartridge sideRo Water Filter – reservoir side
In stock · installation slots this week

Ro Water Filter

A six-stage home RO system from Aqualife Waters (Pvt) Ltd: reverse osmosis, UV and UF with a TDS controller and a Biocera alkaline cartridge, an 18-litre reservoir and about 18 litres of output per hour.

LKR 54,900LKR 74,900Save LKR 20,000 (27%)
  • ITI certified
  • 6 filtration stages
  • RO + UV + UF
  • TDS control
  • Alkaline pH 7–8
  • 18 L reservoir
Hotline · WhatsApp071 104 1635Open 24 hours · call or message any time
  • ITI certified · Built in Sri Lanka
  • Free installation islandwide (except Northern Province) · cash on delivery
  • Water quality test before we install — free
  • 1 year warranty
  • 1 year free service
  • Lifetime service support
Engineering

Four reasons this RO unit suits Sri Lankan homes

RO+UV+UF

Triple treatment

Membrane, ultraviolet and ultrafiltration inside one cabinet.

TDS

Adjustable TDS

The technician sets the dissolved-solids level to suit your water.

pH 7–8

Alkaline finish

A Biocera cartridge keeps the output in the 7.0–8.0 pH band.

18 L

Reservoir + speed

18 litres stored and roughly 18 litres made every hour.

Inside the cabinet

The six cartridges, in order

Each cartridge handles one task; the final result depends on the water you start with.

5 micron Pre-filter
Filter 1 of 6

5 micron Pre-filter

First line of defence: catches sand, silt, mud and rust flakes.

1 micron Sediment filter
Filter 2 of 6

1 micron Sediment filter

A much finer screen for the particles the first filter lets through.

Inline Carbon filter
Filter 3 of 6

Inline Carbon filter

Activated carbon that targets chlorine plus unpleasant taste and smell.

RO Membrane
Filter 4 of 6

RO Membrane

The core stage — a reverse-osmosis membrane that cuts dissolved salts and many contaminants.

Post-carbon filter
Filter 5 of 6

Post-carbon filter

A last carbon pass that freshens taste just before the tap.

Alkaline filter
Filter 6 of 6

Alkaline filter

Biocera mineral cartridge that gently lifts the pH of the finished water.

Play the interactive six-stage demo →

Data sheet

Technical specifications

Product
AquaLife 18L Alkaline RO Water Purifier
Purification rate
18 L/hr
Storage capacity
18 litres
Operating pH range
7.0 – 8.0 pH
Input power supply
Single Phase 100–250 V AC, 50 Hz
Gross weight
10.5 kg
Box dimensions
450 mm (L) × 275 mm (W) × 707 mm (H)
Core technology
RO, UV, UF, TDS Controller, Biocera Alkaline Filter
Certification
ITI certified · Made in Sri Lanka
Warranty
1 year warranty + 1 year free service + lifetime service support
After you buy

Warranty and official service

  • 1 year warranty
  • 1 year free service
  • Lifetime service support
  • Genuine replacement cartridges in stock

Warranty and service are provided by Aqualife Waters (Pvt) Ltd. Ask us about the full terms and installation in your town.

Three steps

Getting one installed

  1. 1

    Reach us

    Phone, WhatsApp or the short form below.

  2. 2

    Tell us about your home

    Your town and whether you use mains or well water.

  3. 3

    Pick an installation day

    We confirm the date — you pay after it is installed if you choose COD.

Answers

Before you order this RO unit

Is it suitable for well water?

It depends on the quality of your water source. Tell us whether you use well or tap water and we will confirm with you.

Does it need electricity?

Yes. It runs on single phase 100–250 V AC, 50 Hz.

How big is the tank?

The storage tank holds 18 litres and the purification rate is 18 litres per hour.

Where can I get replacement filters?

Replacement cartridges are listed on this page and on our pre-filter cartridges page. Ask us on WhatsApp if you are not sure which one you need.

Spares

Cartridges and spare parts for this unit

Book your RO installation

Share your town and water source — a filter specialist calls you back, and you can pay after it is installed.