PURELAB flex 1 & 2

The PURELAB flex is designed for the laboratory of today. It is designed to deliver accuracy, flexibility, and ease-of-use.


PURELAB flex 1 Dispenser (RO)PURELAB flex 1 elga front right

Simplicity and Elegance. The best dispenser for your distribution system

The PURELAB flex 1 is designed to dispense water when it is connected to a reservoir or distribution loop.
This system works as a dispenser as well as a simple deionization system.

  • Customized settings  Be in control of your PURELAB flex by customizing the settings to suit your application.
  • Easy access  Routine maintenance has never been easier.
  • Data capture Download all of the data to USB for system performance validation.


Ideally suited for: Dispensing, With DI pack: General lab, Applications requiring type 2 water



flex handset close upPURELAB flex 2 Polisher

Designed for the laboratory of today. Reliable delivery of Ultrapure Type I water purity

The award-winning PURELAB flex 2 system provides perfect water purity for analytical and life science applications which require RO type III water

up to ultrapure type I (18.2 MΩ.cm) water. It allows you to focus on routine test work without concern about the water quality affecting test results.

  • Guaranteed water purity  Full recirculation through the UV lamp and purification pack right to the point of use for peace of mind.
  • Intuitive flexible dispense  Clearwater purity display for absolute confidence as you dispense.
  • Real-time TOC monitoring  Provides complete confidence in organic purity by reducing the level of organics for critical applications.
  • Easy to maintain  Easy access to the consumables through the front door panels mean that maintenance time is reduced, with less disruption to your work.
  • Data capture  Download all of the data to USB for system performance validation.


Ideally suited for: Mass Spectrometry, Molecular biology, Electrochemistry, Atomic Spectroscopy, Liquid Chromatography, Gas Chromatography, Immunochemistry, Spectrophotometry, Media / Buffer prep, General chemistry


Purelab flex awards

Frequently Asked Questions (FAQs)

What is a PURELAB flex 1 system?

PURELAB flex 1 is a dispensing and monitoring system. When connected to a reservoir or a distribution loop, it delivers water without purifying it. It does not have a UV lamp.

What is a PURELAB flex 2 system?

PURELAB flex 2 is an Ultrapure (Type I) polisher It produces ultrapure type I (18.2MΩ.cm) from pre-purified water.

What type of applications are suitable for water dispensed from the PURELAB Flex 2 system?

PURELAB flex 2 is used for a number of applications including electrochemistry, electrophoresis, GFAAS (Graphite Furnace Atomic Absorption Spectrophotometry), HPLC ,IC (Ion chromatography), mammalian & bacterial cell culture, etc.

What are the benefits of the PURELAB Flex 1 & 2 system?

PURELAB Flex 1 & 2 offer customers a range of benefits from being intuitive and easy to use , easy to install and commission, flexible dispensing which allows customers to dispense water into a range of container sizes and shapes. It uses minimal lap space, is easy to operate and maintain and can be used for a wide range of lab applications. Other benefits includes real-time TOC monitoring which is calculated every 2-3 seconds to give a real time TOC reading for maximum assurance; water quality monitoring up to the point of dispense to help ensure valuable parameters are provided at all times and inbuilt periodic recirculation to help minimise biofilm build up which can affect some applications.

Product SpecificationsPURELAB flex 1PURELAB flex 1 (with purification pack)PURELAB flex 2
Dispense flowrate Up to 2.0 l/min Up to 2.0 l/min Up to 2.0 l/min
Inorganics (resistivity at 25°C) As per feedwater 18.2 MΩ.cm 18.2 MΩ.cm
Organics (TOC) Dependant on feedwater Dependant on feedwater <5 ppb
Bacteria <0.1 CFU/ml * <0.1 CFU/ml * <0.001 CFU/ml *
Bacterial endotoxin N/A <0.001 EU/ml * <0.001 EU/ml *
pH Effectively neutral Effectively neutral Effectively neutral
Silica <2 ppm <2 ppm <2 ppm
DNase N/A N/A <5 pg/ml
RNase N/A N/A <1 pg/ml
Daily usage (max) 100 l/day 100 l/day 100 l/day
Daily usage (min) 1 l/day 1 l/day 10 l/day
Delivery flow rate Up to 2 l/min Up to 2 l/min Up to 2 l/min

* With POU filter fitted

SelectScience Review
Review us on

Elga -purelab FLEX is very good for milli water use for different applications like molecular biology or microbiology as well as analytical chemistry. Its very user friendly, and 0 to 7 ltr filled within 10-15 minutes.

POU filter
Point-of-use Filter
Part Number
Life expectancy
3 months
Impact of Overuse

Potential recontamination of purified water and reduced flow rates

DI pack render image
DI Pack
Part Number
Life expectancy
12 months
Impact of Overuse

Weakly bound ions are released back into the water reducing resistivity

UV Light render image
UV Light
Part Number
Life expectancy
12-18 months
Impurities Removed
Impact of Overuse

Uncontrolled bacterial contamination and TOC levels are not reduced

Biofilter - Point of Use Filter
Part Number
Life expectancy
3 months

To learn more about the benefits of PURELAB flex or any other ELGA product, contact us and we’ll put you in touch with one of our Approved Partners and Lab Water Specialists.

Why Choose ELGA?

  • Trusted By Labs around the World
  • Renowned For Excellent Quality and Reliability
  • First Class Service, Support & Training