SHOP OUR WATER PURIFICATION SYSTEM PRODUCTS
What type of water do you need?
Type I
Ultrapure Water
Type II
Pure Water
Type III
Primary Grade Water
Type IV
Potable water
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Find your replacement
Cartridge reorder
LabStrong™ water purification cartridges are made of high-quality resins and contain all virgin materials – no recycled media or containers. Our higher cartridge capacities result in increased longevity and reduced laboratory operating costs. We work diligently to ensure our cartridges are in-stock and ready to ship, and all in-stock cartridges ship the same day ordered.
Use the search bar below to re-order cartridges for your LabStrong™ water system or one of our LabStrong™ comparable cartridges to various Barnstead™ cartridges*.

Type I – Ultrapure
- Resistivity of >18.0 MΩ-cm at 25°C
- Needed for critical lab functions
- Used for tissue and cell cultures and DNA research
- Required for ultra-sensitive analytical instruments
Type II – Pure
- Resistivity of 1-15 MΩ-cm at 25°C
- Needed for basic lab functions
- Bacteria and pyrogen removal
- Pretreat and feed to other water systems and lab equipment


Type III – Primary Grade Water
- Resistivity >4 MΩ cm at 25°C
- Needed for non-critical laboratory functions
- Used for rinsing glassware and autoclaves
- Can be used as a pretreatment to an ultrapure water system
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