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Filters and Filtration

Filters and Filtration

Devices and hardware for the filtration and analysis and purification of samples; includes complete kits, bottle-top filters, plates, storage bottles, stirred cells, membranes and papers, and other accessories in a range of sizes and materials.
Syringeless and Syringe Filters (183)
Ultrafiltration Filters and Devices (13)
Filter Units (10)
Bottletop Filters (4)
Sheet Filtration Membranes (3)

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1 – 15 of 97 results
2

Merck Millex Samplicity™ Filters, Hydrophilic PTFE

To be used with the Samplicity Filtration System. Powered by vacuum, the system takes minimal manual effort to filter 1 to 8 samples into standard HPLC vials in seconds, with higher recovery than syringe filters provide.

Pore Size 0.2 μm
Disposable Single-use
Connectors Easy loading funnel inlet, Outlet tip for smooth transfer to HPLC vials
Type Millex™ Samplicity™ Filter
Description Filter Code: LG
For Use With (Equipment) Samplicity G2 Filtration System
Housing Material High density polyethylene (HDPE) housing
Material (Membrane) Hydrophilic PTFE
Volume (Metric) 0.3 to 1.6 mL
Diameter (Metric) Membrane 25 mm
For Use With (Application) Sample preparation for HPLC
Sterility Non-sterile
3

Merck Millex™ Samplicity™ Filters, 0.45 μm

To be used with the Samplicity Filtration System. Powered by vacuum, the system takes minimal manual effort to filter 1 to 8 samples into standard HPLC vials in seconds, with higher recovery than syringe filters provide.

Pore Size 0.45 μm
Disposable Single-use
Connectors Easy loading funnel inlet, Outlet tip for smooth transfer to HPLC vials
Type Millex™ Samplicity™ Filter
For Use With (Equipment) Samplicity G2 Filtration System
Volume (Metric) 0.3 to 1.6 mL
Diameter (Metric) Membrane 25 mm
Sterility Non-sterile
5

Merck Millex™-GN for Samplicity G2, Nylon, 0.20 μm

This 33 mm syringe filter with a Hydrophilic Nylon membrane, for non-sterile filtration on the Samplicity G2 system, has a 0.2 μm pore size used in preparation of aqueous & organic solutions prior to chromatography or other instrument analyses.

Pore Size 0.2 μm
Description Female Luer-Lok™ Inlet/Male Luer slip Outlet
Filter Code GN
Housing Material PP
Material (Membrane) Nylon (Hydrophilic)
Temperature (Metric) Max 45°C
Color Purple
Material Polypropylene
Volume (Metric) Hold Up ≤80 μL after air purge
For Use With (Application) Analytical sample prep
Filtration Area 4.5 cm2
Type Millex filter with easy fill funnel
Diameter (Metric) Filter 33 mm
Max. Inlet Pressure 8.6 bar (125 psi)
Hold up Volume (After Air Purge) ≤80 μL
6

Merck Millex™ Syringe Filter, Hydrophilic PTFE, HPF, 0.45 μm

For removing particulates, reducing signal-to-noise ratios and maintaining flat baselines

Pore Size 0.45 μm
Disposable Single-use
Height (Metric) 2.1 cm
Temperature (English) Operating 113°F
Material (Membrane) PTFE
Color Natural
Material HDPE
Diameter (Metric) Membrane 2.5 cm
For Use With (Application) Clarifying of aqueous and organic solutions with high particulate levels, analytical sample prep
Sterility Non-sterile
Filtration Area 3.9 cm2
Includes Two different media, one graduated glass fiber prefilter, one 0.45 μm membrane filter
Connectors Female luer lok/male luer slip
Type Millex-HPF/LCR Filter Unit
Diameter (Metric) 2.5 cm
Diameter (Metric) Filter 2.5 cm
Filter Type Hydrophilic LCR
Temperature (Metric) Operating 45°C
Height (English) 0.82 in.
7

Merck Millex™ Syringe Filter, Hydrophilic PTFE, HPF, 0.20 μm

For removing particulates, reducing signal-to-noise ratios and maintaining flat baselines

Pore Size 0.2 μm
Disposable Single-use
Height (Metric) 2.1 cm
Temperature (English) Operating 113°F
Material (Membrane) PTFE
Color Natural
Volume (Metric) 100 mL
Material HDPE
Diameter (Metric) Membrane 2.5 cm
For Use With (Application) Clarifying of aqueous and organic solutions with high particulate levels
Sterility Non-sterile
Filtration Area 3.9 cm2
Includes Two different media, one graduated glass fiber prefilter, one hydrophilic PTFE membrane filter
Connectors Female luer lok/male luer slip
Type Millex-HPF/LCR Filter Unit
Diameter (Metric) 2.5 cm
Diameter (Metric) Filter 2.5 cm
Temperature (Metric) Operating 45°C
Height (English) 0.82 in.
8

Merck Millex™-GP Filter for Samplicity G2, PES, 0.22 μm

This 33 mm syringe filter with a Hydrophilic Polyethersulfone membrane, for non-sterile filtration on the Samplicity G2 system, has a 0.22 μm pore size used in preparation of aqueous solutions prior to chromatography or other instrument analyses.

Pore Size 0.22 μm
Description Female Luer-Lok™ Inlet/Male Luer slip Outlet
Filter Code GP
Housing Material PP
Material (Membrane) PES (Hydrophilic)
Temperature (Metric) Max 45°C
Color Green
Material Polypropylene
Volume (Metric) Hold Up ≤80 μL after air purge
For Use With (Application) Analytical sample prep
Filtration Area 4.5 cm2
Type Millex filter with easy fill funnel
Diameter (Metric) Filter 33 mm
Max. Inlet Pressure 8.6 bar (125 psi)
Hold up Volume (After Air Purge) ≤80 μL
9

Merck Millex™-GV Filter for Samplicity G2, PVDF, 0.22 μm

Used for non-sterile filtration on the Samplicity™ G2 system. This 33mm syringe filter with a hydrophilic Durapore™ PVDF membrane and 0.22μm pore size is used to prepare solutions prior to chromatography or other instrument analyses.

Pore Size 0.22 μm
Filter Code GV
Volume (Metric) Working ≤2 mL (limited by vial volume)
Housing Material PP
Material (Membrane) Durapore PVDF
Temperature (Metric) Max 45°C
Color Yellow/Natural
Volume (Metric) Hold Up ≤80 μL after air purge
For Use With (Application) Analytical sample prep
Filtration Area 4.5 cm2
Includes Millex filter and Easy-Fill funnel
Format Female Luer-Lok inlet/Male Luer slip outlet
For Use With (Equipment) Samplicity G2 Filtration System
Sample Type Aqueous, Mild organic
Diameter (Metric) Filter 33 mm
Filter Type Nonsterile, hydrophilic
Max. Inlet Pressure 8.6 bar (125 psi)
Hold up Volume (After Air Purge) ≤80 μL
10

Merck Millex™-HN Syringe Filter for Samplicity G2, Nylon, 0.45 μm

This 33 mm syringe filter with a Hydrophilic Nylon membrane, for non-sterile filtration on the Samplicity G2 system, has a 0.45 μm pore size used in preparation of aqueous & organic solutions prior to chromatography or other instrument analyses.

Pore Size 0.45 μm
Description Female Luer-Lok™ Inlet/Male Luer slip Outlet
Filter Code HN
Housing Material PP
Material (Membrane) Nylon (Hydrophilic)
Temperature (Metric) Max 45°C
Color Purple
Material Polypropylene
Volume (Metric) Hold Up ≤80 μL after air purge
For Use With (Application) Analytical sample prep
Filtration Area 4.5 cm2
Type Millex filter with easy fill funnel
Diameter (Metric) Filter 33 mm
Max. Inlet Pressure 8.6 bar (125 psi)
Hold up Volume (After Air Purge) ≤80 μL
11

Merck Medical Millex™-SP Syringe Filter Unit, 0.22 μm

Ready-to-use, syringe-driven units designed for sterilizing and clarifying sterile solutions

12

Merck Millex™-HP Syringe Filter Unit for Samplicity G2, PES, 0.45 μm

This 33 mm syringe filter with a Hydrophilic Polyethersulfone membrane, for non-sterile filtration on the Samplicity G2 system, has a 0.45 μm pore size used in preparation of aqueous solutions prior to chromatography or other instrument analyses.

Pore Size 0.45 μm
Description Female Luer-Lok™ Inlet/Male Luer slip Outlet
Filter Code HP
Housing Material PP
Material (Membrane) PES (Hydrophilic)
Temperature (Metric) Max 45°C
Color Green
Material Polypropylene
Volume (Metric) Hold Up ≤80 μL after air purge
For Use With (Application) Analytical sample prep
Filtration Area 4.5 cm2
Type Millex filter with easy fill funnel
Diameter (Metric) Filter 33 mm
Max. Inlet Pressure 8.6 bar (125 psi)
Hold up Volume (After Air Purge) ≤80 μL
13

Merck Millex™ Syringe Filter, Hydrophilic PTFE, Automation Compatible, 0.20 μm

Trouble-free performance on a variety of automated systems

Pore Size 0.2 μm
Disposable Single-use
Height (Metric) 2.1 cm
Type Automation Compatible Millex Filter
Sterility Non-sterile
Filtration Area 3.9 cm2
15

Merck Millex™-LG Sterile Syringe Filter Unit, Hydrophilic PTFE, 0.20 μm (Research Use Only)

Ready-to-use, syringe-driven units designed for sterilizing and clarifying sterile solutions are available in 0.1, 0.22, 0.45 and 5.0 μm pore sizes.