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We have developed a unique portfolio of consumables, each adapted to the different feed water quality requirements and to your various applications. To maintain your water system’s performance, it’s critical to replace your purification cartridges on time and with genuine ISO 9001-certified parts.

Catalog No. Product Net Price
SLHVR04NK Millex Syringe Filter, Durapore® ( PVDF ), Non-sterile 1350 
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  • Background Information
  • Overview of Non-Sterile Millex® Syringe Filters with Durapore® (PVDF) Membrane•Low protein binding to minimize interaction with your sample and maximize recovery •Compatible with aqueous and mild organic solutions•Available in 0.22 μm and 0.45 μm pore sizes and three diameters to suit your application needs •Housing materials are either polypropylene or high density polyethylene (HDPE), offering low levels of extractables and broad chemical compatibility Available in Multiple Pack Sizes:SKU ending with NS (-------NS): 50 per packSKU ending with NL (-------NL): 100 per packSKU ending with TL (-------TL): 100 per pack. These syringe filters have a tube outletSKU ending with NB (-------NB): 250 per packSKU ending with NK (-------NK): 1000 per packApplications: Sample Filtration Prior to UHPLC, HPLC, LC-MS, and Mass Spec; Solvent Filtration; Filtration of Biological Samples and Protein Solutions
  • Catalogue Number
  • SLHVR04NK
  • Chemistry
  • Hydrophilic Polyvinylidene Fluoride (PVDF)
  • Color Code
  • Natural inlet/natural outlet
  • Device Material
  • HDPE
  • Filter Code
  • HV
  • Filter Diameter (⌀)
  • 4 mm
  • Filtration Area
  • 0.1 cm²
  • Fitting Inlet
  • Female Luer-Lok®
  • Fitting Outlet
  • Male Luer slip, stepped
  • Flow Rate
  • 5.2 L/min
  • Height
  • 19.7 mm
  • Hold-up Volume
  • < 10 µL
  • Housing Material
  • High-density polyethylene (HDPE)
  • Key Applications
  • Analytical Sample Prep
  • Material Package
  • non sterile
  • Material Size
  • PVDF, 4 mm, non-sterile, 1000
  • Maximum Inlet Pressure, bar (psi)
  • 14 bar (200 psi)
  • Maximum Operating Temperature
  • 45 °C
  • Media
  • Durapore®
  • Pore Size
  • 0.45 µm
  • Process Volume
  • 1 mL
  • Sterility
  • Non-Sterile
  • Trade Name
  • Millex®
  • Volume
  • < 10 µL
  • Wettability
  • Hydrophilic
SLLHR04NL Millex Syringe Filter, Hydrophilic PTFE, Non-sterile 141 
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  • Background Information
  • Overview of Non-Sterile Millex® Syringe Filters with Hydrophilic PTFE• Lowest extractables, optimizing background levels of sensitive analyses like UHPLC and LC-MS• Filtration of protein-containing solutions, and aqueous or organic solutions• Available in 0.20 µm and 0.45 µm pore sizes and three diameters to suit your application needsAvailable in Multiple Pack Sizes:SKU ending with NS (-------NS): 50 per packSKU ending with NL (-------NL): 100 per packSKU ending with NB (-------NB): 250 per packSKU ending with NK (-------NK): 1000 per packSLCRT13NL: 100 per pack. These syringe filters have a tube outletApplications: Sample Filtration Prior to UHPLC, HPLC and Mass Spec; Solvent Filtration; Clarification of Aqueous and Organic Solutions
  • Catalogue Number
  • SLLHR04NL
  • Chemistry
  • Hydrophilic Polytetrafluoroethylene (PTFE)
  • Color Code
  • Natural inlet/natural outlet
  • Device Material
  • HDPE
  • Filter Code
  • LH
  • Filter Diameter (⌀)
  • 4 mm
  • Filtration Area
  • 0.1 cm²
  • Fitting Inlet
  • Female Luer-Lok®
  • Fitting Outlet
  • Male Luer slip, stepped
  • Height
  • 19.7 mm
  • Hold-up Volume
  • < 10 µL
  • Housing Material
  • High-density polyethylene (HDPE)
  • Key Applications
  • Analytical Sample Prep
  • Material Package
  • non sterile
  • Material Size
  • Hydrophilic, PTFE, 4 mm, non-sterile, 100
  • Maximum Inlet Pressure, bar (psi)
  • 14 bar (200 psi)
  • Maximum Operating Temperature
  • 45 °C
  • Pore Size
  • 0.45 µm
  • Process Volume
  • 1 mL
  • Sterility
  • Non-Sterile
  • Trade Name
  • Millex®
  • Volume
  • < 10 µL
  • Wettability
  • Hydrophilic
SLLHR04NK Millex Syringe Filter, Hydrophilic PTFE, Non-sterile 1368 
Add to Cart
  • Background Information
  • Overview of Non-Sterile Millex® Syringe Filters with Hydrophilic PTFE• Lowest extractables, optimizing background levels of sensitive analyses like UHPLC and LC-MS• Filtration of protein-containing solutions, and aqueous or organic solutions• Available in 0.20 µm and 0.45 µm pore sizes and three diameters to suit your application needsAvailable in Multiple Pack Sizes:SKU ending with NS (-------NS): 50 per packSKU ending with NL (-------NL): 100 per packSKU ending with NB (-------NB): 250 per packSKU ending with NK (-------NK): 1000 per packSLCRT13NL: 100 per pack. These syringe filters have a tube outletApplications: Sample Filtration Prior to UHPLC, HPLC and Mass Spec; Solvent Filtration; Clarification of Aqueous and Organic Solutions
  • Catalogue Number
  • SLLHR04NK
  • Chemistry
  • Hydrophilic Polytetrafluoroethylene (PTFE)
  • Color Code
  • Natural inlet/natural outlet
  • Device Material
  • HDPE
  • Filter Code
  • LH
  • Filter Diameter (⌀)
  • 4 mm
  • Filtration Area
  • 0.1 cm²
  • Fitting Inlet
  • Female Luer-Lok®
  • Fitting Outlet
  • Male Luer slip, stepped
  • Height
  • 19.7 mm
  • Hold-up Volume
  • < 10 µL
  • Housing Material
  • High-density polyethylene (HDPE)
  • Key Applications
  • Analytical Sample Prep
  • Material Package
  • non sterile
  • Material Size
  • 1000
  • Maximum Inlet Pressure, bar (psi)
  • 14 bar (200 psi)
  • Maximum Operating Temperature
  • 45 °C
  • Pore Size
  • 0.45 µm
  • Process Volume
  • 1 mL
  • Sterility
  • Non-Sterile
  • Trade Name
  • Millex®
  • Volume
  • < 10 µL
  • Wettability
  • Hydrophilic
HPWP01300 Millipore Express PLUS Membrane Filter 73 
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  • Background Information
  • The Millipore Express® PLUS membrane provides ultrafast filtration of tissue culture media, additives, buffers and other aqueous solutions. This high throughput, low protein-binding membrane is also used in many of our ready-to-use sterile filtration devices.Features & Benefit:•Ultra fast filtration and high throughput shorten process time •Can be sterilized by autoclave, ethylene oxide, or gamma irradiation for sterile filtration applications Applications:Sterile Filtration, Buffer Filtration, Tissue Culture Media Filtration
  • Bacterial Endotoxins
  • Aqueous extraction contains ≤0.5 EU/mL as determined by the Limulus Amebocyte Lysate (LAL) Test
  • Catalogue Number
  • HPWP01300
  • Chemistry
  • Polyethersulfone (PES)
  • Diameter
  • Biological Information Bacterial Endotoxins
  • Filter Code
  • HPWP
  • Filter Color
  • White
  • Filter Diameter (⌀)
  • 13 mm
  • Filter Surface
  • Plain
  • Filter Type
  • Screen filter
  • Flow Rate
  • 23 at 690 mbar (10 psi)
  • Material Size
  • 100
  • Pore Size
  • 0.45 µm
  • Thickness
  • ≥130 µm and ≤155 µm
  • Trade Name
  • Millipore Express®
  • Wettability
  • Hydrophilic
HPWP01300 Millipore Express PLUS Membrane Filter 73 
Add to Cart
  • Background Information
  • The Millipore Express® PLUS membrane provides ultrafast filtration of tissue culture media, additives, buffers and other aqueous solutions. This high throughput, low protein-binding membrane is also used in many of our ready-to-use sterile filtration devices.Features & Benefit:•Ultra fast filtration and high throughput shorten process time •Can be sterilized by autoclave, ethylene oxide, or gamma irradiation for sterile filtration applications Applications:Sterile Filtration, Buffer Filtration, Tissue Culture Media Filtration
  • Bacterial Endotoxins
  • Aqueous extraction contains ≤0.5 EU/mL as determined by the Limulus Amebocyte Lysate (LAL) Test
  • Catalogue Number
  • HPWP01300
  • Chemistry
  • Polyethersulfone (PES)
  • Diameter
  • Biological Information Bacterial Endotoxins
  • Filter Code
  • HPWP
  • Filter Color
  • White
  • Filter Diameter (⌀)
  • 13 mm
  • Filter Surface
  • Plain
  • Filter Type
  • Screen filter
  • Flow Rate
  • 23 at 690 mbar (10 psi)
  • Material Size
  • 100
  • Pore Size
  • 0.45 µm
  • Thickness
  • ≥130 µm and ≤155 µm
  • Trade Name
  • Millipore Express®
  • Wettability
  • Hydrophilic
HPWP14250 Millipore Express PLUS Membrane Filter 308 
Add to Cart
  • Background Information
  • The Millipore Express® PLUS membrane provides ultrafast filtration of tissue culture media, additives, buffers and other aqueous solutions. This high throughput, low protein-binding membrane is also used in many of our ready-to-use sterile filtration devices.Features & Benefit:•Ultra fast filtration and high throughput shorten process time •Can be sterilized by autoclave, ethylene oxide, or gamma irradiation for sterile filtration applications Applications:Sterile Filtration, Buffer Filtration, Tissue Culture Media Filtration
  • Bacterial Endotoxins
  • Aqueous extraction contains ≤0.5 EU/mL as determined by the Limulus Amebocyte Lysate (LAL) Test
  • Catalogue Number
  • HPWP14250
  • Chemistry
  • Polyethersulfone (PES)
  • Diameter
  • Biological Information Bacterial Endotoxins
  • Filter Code
  • HPWP
  • Filter Color
  • White
  • Filter Diameter (⌀)
  • 142 mm
  • Filter Surface
  • Plain
  • Filter Type
  • Screen filter
  • Flow Rate
  • 23 at 690 mbar (10 psi)
  • Material Size
  • 50
  • Pore Size
  • 0.45 µm
  • Thickness
  • ≥130 µm and ≤155 µm
  • Trade Name
  • Millipore Express®
  • Wettability
  • Hydrophilic
HPWP14250 Millipore Express PLUS Membrane Filter 308 
Add to Cart
  • Background Information
  • The Millipore Express® PLUS membrane provides ultrafast filtration of tissue culture media, additives, buffers and other aqueous solutions. This high throughput, low protein-binding membrane is also used in many of our ready-to-use sterile filtration devices.Features & Benefit:•Ultra fast filtration and high throughput shorten process time •Can be sterilized by autoclave, ethylene oxide, or gamma irradiation for sterile filtration applications Applications:Sterile Filtration, Buffer Filtration, Tissue Culture Media Filtration
  • Bacterial Endotoxins
  • Aqueous extraction contains ≤0.5 EU/mL as determined by the Limulus Amebocyte Lysate (LAL) Test
  • Catalogue Number
  • HPWP14250
  • Chemistry
  • Polyethersulfone (PES)
  • Diameter
  • Biological Information Bacterial Endotoxins
  • Filter Code
  • HPWP
  • Filter Color
  • White
  • Filter Diameter (⌀)
  • 142 mm
  • Filter Surface
  • Plain
  • Filter Type
  • Screen filter
  • Flow Rate
  • 23 at 690 mbar (10 psi)
  • Material Size
  • 50
  • Pore Size
  • 0.45 µm
  • Thickness
  • ≥130 µm and ≤155 µm
  • Trade Name
  • Millipore Express®
  • Wettability
  • Hydrophilic
HPWP02500 Millipore Express PLUS Membrane Filter 101 
Add to Cart
  • Background Information
  • The Millipore Express® PLUS membrane provides ultrafast filtration of tissue culture media, additives, buffers and other aqueous solutions. This high throughput, low protein-binding membrane is also used in many of our ready-to-use sterile filtration devices.Features & Benefit:•Ultra fast filtration and high throughput shorten process time •Can be sterilized by autoclave, ethylene oxide, or gamma irradiation for sterile filtration applications Applications:Sterile Filtration, Buffer Filtration, Tissue Culture Media Filtration
  • Bacterial Endotoxins
  • Aqueous extraction contains ≤0.5 EU/mL as determined by the Limulus Amebocyte Lysate (LAL) Test
  • Catalogue Number
  • HPWP02500
  • Chemistry
  • Polyethersulfone (PES)
  • Diameter
  • Biological Information Bacterial Endotoxins
  • Filter Code
  • HPWP
  • Filter Color
  • White
  • Filter Diameter (⌀)
  • 25 mm
  • Filter Surface
  • Plain
  • Filter Type
  • Screen filter
  • Flow Rate
  • 23 at 690 mbar (10 psi)
  • Material Size
  • 100
  • Pore Size
  • 0.45 µm
  • Thickness
  • ≥130 µm and ≤155 µm
  • Trade Name
  • Millipore Express®
  • Wettability
  • Hydrophilic
HPWP02500 Millipore Express PLUS Membrane Filter 101 
Add to Cart
  • Background Information
  • The Millipore Express® PLUS membrane provides ultrafast filtration of tissue culture media, additives, buffers and other aqueous solutions. This high throughput, low protein-binding membrane is also used in many of our ready-to-use sterile filtration devices.Features & Benefit:•Ultra fast filtration and high throughput shorten process time •Can be sterilized by autoclave, ethylene oxide, or gamma irradiation for sterile filtration applications Applications:Sterile Filtration, Buffer Filtration, Tissue Culture Media Filtration
  • Bacterial Endotoxins
  • Aqueous extraction contains ≤0.5 EU/mL as determined by the Limulus Amebocyte Lysate (LAL) Test
  • Catalogue Number
  • HPWP02500
  • Chemistry
  • Polyethersulfone (PES)
  • Diameter
  • Biological Information Bacterial Endotoxins
  • Filter Code
  • HPWP
  • Filter Color
  • White
  • Filter Diameter (⌀)
  • 25 mm
  • Filter Surface
  • Plain
  • Filter Type
  • Screen filter
  • Flow Rate
  • 23 at 690 mbar (10 psi)
  • Material Size
  • 100
  • Pore Size
  • 0.45 µm
  • Thickness
  • ≥130 µm and ≤155 µm
  • Trade Name
  • Millipore Express®
  • Wettability
  • Hydrophilic
HPWP04700 Millipore Express PLUS Membrane Filter 135 
Add to Cart
  • Background Information
  • The Millipore Express® PLUS membrane provides ultrafast filtration of tissue culture media, additives, buffers and other aqueous solutions. This high throughput, low protein-binding membrane is also used in many of our ready-to-use sterile filtration devices.Features & Benefit:•Ultra fast filtration and high throughput shorten process time •Can be sterilized by autoclave, ethylene oxide, or gamma irradiation for sterile filtration applications Applications:Sterile Filtration, Buffer Filtration, Tissue Culture Media Filtration
  • Bacterial Endotoxins
  • Aqueous extraction contains ≤0.5 EU/mL as determined by the Limulus Amebocyte Lysate (LAL) Test
  • Catalogue Number
  • HPWP04700
  • Chemistry
  • Polyethersulfone (PES)
  • Diameter
  • Biological Information Bacterial Endotoxins
  • Filter Code
  • HPWP
  • Filter Color
  • White
  • Filter Diameter (⌀)
  • 47 mm
  • Filter Surface
  • Plain
  • Filter Type
  • Screen filter
  • Flow Rate
  • 23 at 690 mbar (10 psi)
  • Material Size
  • 100
  • Pore Size
  • 0.45 µm
  • Thickness
  • ≥130 µm and ≤155 µm
  • Trade Name
  • Millipore Express®
  • Wettability
  • Hydrophilic

Overview

Analytical Sample Preparation Membrane Filtration Devices


Trust Merck membrane filtration devices for the collection and preparation of samples, mobile phases, and buffers to obtain the highest quality results from downstream analysis.


Whether you need to collect, separate, or remove contaminants from air or fluid samples prior to downstream analysis, our broad selection of syringe filters, membranes, filter holders and related filtration devices ensures that we have the right solution for your application.


Filter Membranes

Millex® Syringe Filters

Filtration Holders & Accessories



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