
Water Purification Filters and Cartridges
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MilliporeSigma™ Millipak™-20 Filter Unit
Non-sterile filter removes 0.22μm particles at point-of-use prior to dispensing
MilliporeSigma™ Milli-Q™ Series Water Purification System Accessory, Millipak™ 40 Express Final Filter
Use for the production of bacteria-free purified water
Thermo Scientific™ Deionizer Cartridges
Choose from an array of Thermo Scientific™ Deionizer Cartridges for select Thermo Scientific™ Barnstead™ water systems, based on your application.
Type | Deionizer Cartridge |
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MilliporeSigma™ Proguard™ TS2 Pretreatment Pack
For optimal protection of reverse osmosis membranes. Proguard™ TS2 Pretreatment Packs are designed to remove large particles and organic compounds, softening water, and removing chlorine from tap water.
Thermo Scientific™ Barnstead™ E-Pure™ Cartridge Kits
Replace worn, outdated and otherwise ineffective cartridges with Thermo Scientific™ Barnstead™ E-Pure™ Cartridge Kits.
MilliporeSigma™ Progard™ 2 Pretreatment Pack (Long)
For optimal protection of Reverse Osmosis membranes
For Use With (Equipment) | Milli-Q™ Advantage 10 water purification system |
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For Use With (Application) | Spectrophotometry, spectroscopy, chromatography, and biochemistry |
Fisherbrand™ Individual Filter Cartridges for Milli-Q™ Pure Water Polishing Systems
High-quality filters fit Millipore™ Milli-Q three- or four-bowl Systems—without expensive hardware or conversion kits
For Use With (Equipment) | Milli-Q Pure Water Polishing Systems |
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MilliporeSigma™ Cartridges and Kits for Milli-Q™ Bowl-Style Water Purification Systems
Pretreatment and purification replacement cartridges
For Use With (Equipment) | Milli-Q™ bowl-style water purification system |
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Model | Milli-Q™ |
Sartorius Arium™ Comfort Pre-Filter
Greener Choice
Offers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”
Learn More

Offers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”
Learn More
Arium™ Comfort Pre-Filter for Arium™ comfort water systems.
MilliporeSigma IPAK Gard™ 3/5 Pretreatment Cartridge
For Milli-Q™ IQ/IX 7003/05 and Milli-Q™ EQ 7008/16 water systems to protect RO membranes. This product replaces IPAKGARA1.
MilliporeSigma™ Packs and Accessories for Milli-RO™ Compact Water Systems: RO Cartridges
RO cartridges for Milli-RO Compact Water Systems.