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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
KR75A51HH1 Opticap® XL1 Polygard®-CR 75 µm 9/16 in. HB/HB 93 
Add to Cart
  • Bacterial Endotoxins
  • Aqueous extraction contains ≤0.5 EU/mL as determined by the Limulus Amebocyte Lysate (LAL) Test
  • Cartridge Nominal Length
  • 1 in. (2.5 cm)
  • Catalogue Number
  • KR75A51HH1
  • Chemistry
  • Polypropylene (PP)
  • Device Configuration
  • Capsule
  • Device Material
  • Polypropylene
  • Device Size
  • 1 in.
  • Diameter
  • 10.7 cm (4.2 in.)
  • European Pressure Equipment Directive
  • EMD Millipore Corporation® certifies that this product complies with the European Pressure Equipment Directive, 97/23/EC of 29 May 1997. This product has been classified under Article 3 § 3 of the Pressure Vessel Directive. It has been designed and manufactured in accordance with sound engineering practice to ensure safe use. In compliance with Article 3 § 3 of this Pressure Vessel Directive, this product does not bear the CE mark.
  • Format
  • Single Layer
  • Good Manufacturing Practices
  • These products are manufactured in a facility which adheres to FDA Good Manufacturing Practices.
  • Gravimetric Extractables
  • The extractables level was equal to or less than 10 mg per capsule after 24 hours in water at controlled room temperature.
  • Housing Material
  • Polypropylene (PP)
  • Indirect Food Additive
  • All component materials meet the FDA Indirect Food Additive requirements cited in 21 CFR 177-182.
  • Inlet Connection
  • Hose Barb
  • Inlet Connection Diameter
  • 9/16 in.
  • Inlet to Outlet Width
  • 21.6 cm (8.5 in.)
  • Length
  • 1 in. (2.5 cm)
  • Material Package
  • Double Easy-Open bag
  • Material Size
  • 1
  • Maximum Differential Pressure, bar (psid)
  • 4.8 bar (70 psid) @ 20 °C
  • Maximum Inlet Pressure (psig)
  • 80 psig
  • Maximum Inlet Pressure, bar (psi)
  • 5.5 bar (80 psi) @ 25 °C; 2.75 bar (40 psi) @ 60 °C; 1.0 bar (15 psi) @ 80 °C
  • Maximum Inlet Temperature
  • 25 °C
  • Media
  • Polygard®-CR
  • Nominal Pore Size
  • 75.0 µm
  • Outlet Connection
  • Hose Barb
  • Outlet Connection Diameter
  • 9/16 in.
  • Oxidizable Substances
  • Will meet the USP Oxidizable Substances Test requirements after a water flush of ≥1 L
  • Pore Size
  • 75.0 µm
  • Seal Material
  • Silicone (SI)
  • Sterilization
  • 3 autoclave cycles of 30 min @ 126 °C; not in-line steam sterilizable
  • Support Material
  • Polypropylene
  • Trade Name
  • Opticap®
  • USP Bacterial Endotoxins
  • A sample aqueous extraction contains less than 0.5 EU/mL as determined by the Limulus Amebocyte Lysate (LAL) test.
  • Vent Cap Material
  • Polypropylene (PP)
  • Width
  • 21.6 cm (8.5 in.)
KR99A51FF1 Opticap® XL1 Polygard®-CR 100 µm 3/4 in. TC/TC 93 
Add to Cart
  • Bacterial Endotoxins
  • Aqueous extraction contains ≤0.5 EU/mL as determined by the Limulus Amebocyte Lysate (LAL) Test
  • Cartridge Nominal Length
  • 1 in. (2.5 cm)
  • Catalogue Number
  • KR99A51FF1
  • Chemistry
  • Polypropylene (PP)
  • Device Configuration
  • Capsule
  • Device Material
  • Polypropylene
  • Device Size
  • 1 in.
  • Diameter
  • 10.7 cm (4.2 in.)
  • European Pressure Equipment Directive
  • EMD Millipore Corporation® certifies that this product complies with the European Pressure Equipment Directive, 97/23/EC of 29 May 1997. This product has been classified under Article 3 § 3 of the Pressure Vessel Directive. It has been designed and manufactured in accordance with sound engineering practice to ensure safe use. In compliance with Article 3 § 3 of this Pressure Vessel Directive, this product does not bear the CE mark.
  • Format
  • Single Layer
  • Good Manufacturing Practices
  • These products are manufactured in a facility which adheres to FDA Good Manufacturing Practices.
  • Gravimetric Extractables
  • The extractables level was equal to or less than 10 mg per capsule after 24 hours in water at controlled room temperature.
  • Housing Material
  • Polypropylene (PP)
  • Indirect Food Additive
  • All component materials meet the FDA Indirect Food Additive requirements cited in 21 CFR 177-182.
  • Inlet Connection
  • Sanitary Flange
  • Inlet Connection Diameter
  • 3/4 in.
  • Inlet to Outlet Width
  • 21.6 cm (8.5 in.)
  • Length
  • 1 in. (2.5 cm)
  • Material Package
  • Double Easy-Open bag
  • Material Size
  • 1
  • Maximum Differential Pressure, bar (psid)
  • 4.8 bar (70 psid) @ 20 °C
  • Maximum Inlet Pressure (psig)
  • 80 psig
  • Maximum Inlet Pressure, bar (psi)
  • 5.5 bar (80 psi) @ 25 °C; 2.75 bar (40 psi) @ 60 °C; 1.0 bar (15 psi) @ 80 °C
  • Maximum Inlet Temperature
  • 25 °C
  • Media
  • Polygard®-CR
  • Nominal Pore Size
  • 100.0 µm
  • Outlet Connection
  • Sanitary Flange
  • Outlet Connection Diameter
  • 3/4 in.
  • Oxidizable Substances
  • Will meet the USP Oxidizable Substances Test requirements after a water flush of ≥1 L
  • Pore Size
  • 100.0 µm
  • Seal Material
  • Silicone (SI)
  • Sterilization
  • 3 autoclave cycles of 30 min @ 126 °C; not in-line steam sterilizable
  • Support Material
  • Polypropylene
  • Trade Name
  • Opticap®
  • USP Bacterial Endotoxins
  • A sample aqueous extraction contains less than 0.5 EU/mL as determined by the Limulus Amebocyte Lysate (LAL) test.
  • Vent Cap Material
  • Polypropylene (PP)
  • Width
  • 21.6 cm (8.5 in.)
KR99A51FF1 Opticap® XL1 Polygard®-CR 100 µm 3/4 in. TC/TC 93 
Add to Cart
  • Bacterial Endotoxins
  • Aqueous extraction contains ≤0.5 EU/mL as determined by the Limulus Amebocyte Lysate (LAL) Test
  • Cartridge Nominal Length
  • 1 in. (2.5 cm)
  • Catalogue Number
  • KR99A51FF1
  • Chemistry
  • Polypropylene (PP)
  • Device Configuration
  • Capsule
  • Device Material
  • Polypropylene
  • Device Size
  • 1 in.
  • Diameter
  • 10.7 cm (4.2 in.)
  • European Pressure Equipment Directive
  • EMD Millipore Corporation® certifies that this product complies with the European Pressure Equipment Directive, 97/23/EC of 29 May 1997. This product has been classified under Article 3 § 3 of the Pressure Vessel Directive. It has been designed and manufactured in accordance with sound engineering practice to ensure safe use. In compliance with Article 3 § 3 of this Pressure Vessel Directive, this product does not bear the CE mark.
  • Format
  • Single Layer
  • Good Manufacturing Practices
  • These products are manufactured in a facility which adheres to FDA Good Manufacturing Practices.
  • Gravimetric Extractables
  • The extractables level was equal to or less than 10 mg per capsule after 24 hours in water at controlled room temperature.
  • Housing Material
  • Polypropylene (PP)
  • Indirect Food Additive
  • All component materials meet the FDA Indirect Food Additive requirements cited in 21 CFR 177-182.
  • Inlet Connection
  • Sanitary Flange
  • Inlet Connection Diameter
  • 3/4 in.
  • Inlet to Outlet Width
  • 21.6 cm (8.5 in.)
  • Length
  • 1 in. (2.5 cm)
  • Material Package
  • Double Easy-Open bag
  • Material Size
  • 1
  • Maximum Differential Pressure, bar (psid)
  • 4.8 bar (70 psid) @ 20 °C
  • Maximum Inlet Pressure (psig)
  • 80 psig
  • Maximum Inlet Pressure, bar (psi)
  • 5.5 bar (80 psi) @ 25 °C; 2.75 bar (40 psi) @ 60 °C; 1.0 bar (15 psi) @ 80 °C
  • Maximum Inlet Temperature
  • 25 °C
  • Media
  • Polygard®-CR
  • Nominal Pore Size
  • 100.0 µm
  • Outlet Connection
  • Sanitary Flange
  • Outlet Connection Diameter
  • 3/4 in.
  • Oxidizable Substances
  • Will meet the USP Oxidizable Substances Test requirements after a water flush of ≥1 L
  • Pore Size
  • 100.0 µm
  • Seal Material
  • Silicone (SI)
  • Sterilization
  • 3 autoclave cycles of 30 min @ 126 °C; not in-line steam sterilizable
  • Support Material
  • Polypropylene
  • Trade Name
  • Opticap®
  • USP Bacterial Endotoxins
  • A sample aqueous extraction contains less than 0.5 EU/mL as determined by the Limulus Amebocyte Lysate (LAL) test.
  • Vent Cap Material
  • Polypropylene (PP)
  • Width
  • 21.6 cm (8.5 in.)
KR99A51HH1 Opticap® XL1 Polygard®-CR 100 µm 9/16 in. HB/HB 93 
Add to Cart
  • Bacterial Endotoxins
  • Aqueous extraction contains ≤0.5 EU/mL as determined by the Limulus Amebocyte Lysate (LAL) Test
  • Cartridge Nominal Length
  • 1 in. (2.5 cm)
  • Catalogue Number
  • KR99A51HH1
  • Chemistry
  • Polypropylene (PP)
  • Device Configuration
  • Capsule
  • Device Material
  • Polypropylene
  • Device Size
  • 1 in.
  • Diameter
  • 10.7 cm (4.2 in.)
  • European Pressure Equipment Directive
  • EMD Millipore Corporation® certifies that this product complies with the European Pressure Equipment Directive, 97/23/EC of 29 May 1997. This product has been classified under Article 3 § 3 of the Pressure Vessel Directive. It has been designed and manufactured in accordance with sound engineering practice to ensure safe use. In compliance with Article 3 § 3 of this Pressure Vessel Directive, this product does not bear the CE mark.
  • Format
  • Single Layer
  • Good Manufacturing Practices
  • These products are manufactured in a facility which adheres to FDA Good Manufacturing Practices.
  • Gravimetric Extractables
  • The extractables level was equal to or less than 10 mg per capsule after 24 hours in water at controlled room temperature.
  • Housing Material
  • Polypropylene (PP)
  • Indirect Food Additive
  • All component materials meet the FDA Indirect Food Additive requirements cited in 21 CFR 177-182.
  • Inlet Connection
  • Hose Barb
  • Inlet Connection Diameter
  • 9/16 in.
  • Inlet to Outlet Width
  • 21.6 cm (8.5 in.)
  • Length
  • 1 in. (2.5 cm)
  • Material Package
  • Double Easy-Open bag
  • Material Size
  • 1
  • Maximum Differential Pressure, bar (psid)
  • 4.8 bar (70 psid) @ 20 °C
  • Maximum Inlet Pressure (psig)
  • 80 psig
  • Maximum Inlet Pressure, bar (psi)
  • 5.5 bar (80 psi) @ 25 °C; 2.75 bar (40 psi) @ 60 °C; 1.0 bar (15 psi) @ 80 °C
  • Maximum Inlet Temperature
  • 25 °C
  • Media
  • Polygard®-CR
  • Nominal Pore Size
  • 100.0 µm
  • Outlet Connection
  • Hose Barb
  • Outlet Connection Diameter
  • 9/16 in.
  • Oxidizable Substances
  • Will meet the USP Oxidizable Substances Test requirements after a water flush of ≥1 L
  • Pore Size
  • 100.0 µm
  • Seal Material
  • Silicone (SI)
  • Sterilization
  • 3 autoclave cycles of 30 min @ 126 °C; not in-line steam sterilizable
  • Support Material
  • Polypropylene
  • Trade Name
  • Opticap®
  • USP Bacterial Endotoxins
  • A sample aqueous extraction contains less than 0.5 EU/mL as determined by the Limulus Amebocyte Lysate (LAL) test.
  • Vent Cap Material
  • Polypropylene (PP)
  • Width
  • 21.6 cm (8.5 in.)
UFC800308 Amicon® Ultra-4 Centrifugal Filter Unit 42 
Add to Cart
  • Background Information
  • AMICON ULTRA-4 4ML - 3KDa cutoff. Available in 3 pack sizes. UFC800308 - 8 pack UFC800324 - 24 pack UFC800396 - 96 pack High recovery Ultracel regenerated cellulose membrane in a range of molecular weight cut-offs High retentate recovery of greater than 90% Vertical membrane reduces concentration polarization for ultra-fast spin times (as fast as 5 minutes) Heat-sealed membrane minimizes downstream extractables 100% integrity tested for reliable performance Convenient sample monitoring with translucent housing and volume gradations Direct pipette sample access eliminates processing step to recover concentrate High concentration factors of 80–100X Applications: Concentration of biological samples containing antigens, antibodies, enzymes, nucleic acids, or microorganisms Purification of macromolecular components found in tissue culture extracts or cell lysates and protein removal prior to HPLC Concentration of dilute or pre-purified proteins from column eluents Desalting, buffer exchange and protein dialysis
  • Catalogue Number
  • UFC800308
  • Centrifugal Application
  • Protein Concentration and Desalting
  • Chemistry
  • Regenerated Cellulose (RC)
  • Color Code
  • Clear with pink cap
  • Device Material
  • Housing: Styrene/butadieneTube: PolypropyleneCap and liner: Polyethylene
  • Diameter
  • 17.3 mm
  • Filter Code
  • PLBC
  • Filter Type
  • Ultrafiltration
  • Filtration Area
  • 3 cm²
  • Key Applications
  • Protein ExtractionProtein Purification
  • Length
  • 124 mm (4.88 in.)
  • Material Size
  • 8
  • Minimum Final Concentrate Volume
  • 50 µL
  • NMWL
  • 3 KDa
  • Sterility
  • Non-Sterile
  • Support Material
  • Regenerated cellulose
  • Trade Name
  • Amicon Ultra
  • Volume
  • Key Applications
UFC800308 Amicon® Ultra-4 Centrifugal Filter Unit 42 
Add to Cart
  • Background Information
  • AMICON ULTRA-4 4ML - 3KDa cutoff. Available in 3 pack sizes. UFC800308 - 8 pack UFC800324 - 24 pack UFC800396 - 96 pack High recovery Ultracel regenerated cellulose membrane in a range of molecular weight cut-offs High retentate recovery of greater than 90% Vertical membrane reduces concentration polarization for ultra-fast spin times (as fast as 5 minutes) Heat-sealed membrane minimizes downstream extractables 100% integrity tested for reliable performance Convenient sample monitoring with translucent housing and volume gradations Direct pipette sample access eliminates processing step to recover concentrate High concentration factors of 80–100X Applications: Concentration of biological samples containing antigens, antibodies, enzymes, nucleic acids, or microorganisms Purification of macromolecular components found in tissue culture extracts or cell lysates and protein removal prior to HPLC Concentration of dilute or pre-purified proteins from column eluents Desalting, buffer exchange and protein dialysis
  • Catalogue Number
  • UFC800308
  • Centrifugal Application
  • Protein Concentration and Desalting
  • Chemistry
  • Regenerated Cellulose (RC)
  • Color Code
  • Clear with pink cap
  • Device Material
  • Housing: Styrene/butadieneTube: PolypropyleneCap and liner: Polyethylene
  • Diameter
  • 17.3 mm
  • Filter Code
  • PLBC
  • Filter Type
  • Ultrafiltration
  • Filtration Area
  • 3 cm²
  • Key Applications
  • Protein ExtractionProtein Purification
  • Length
  • 124 mm (4.88 in.)
  • Material Size
  • 8
  • Minimum Final Concentrate Volume
  • 50 µL
  • NMWL
  • 3 KDa
  • Sterility
  • Non-Sterile
  • Support Material
  • Regenerated cellulose
  • Trade Name
  • Amicon Ultra
  • Volume
  • Key Applications
UFC800324 Amicon® Ultra-4 Centrifugal Filter Unit 101 
Add to Cart
  • Background Information
  • AMICON ULTRA-4 4ML - 3KDa cutoff. Available in 3 pack sizes. UFC800308 - 8 pack UFC800324 - 24 pack UFC800396 - 96 pack High recovery Ultracel regenerated cellulose membrane in a range of molecular weight cut-offs High retentate recovery of greater than 90% Vertical membrane reduces concentration polarization for ultra-fast spin times (as fast as 5 minutes) Heat-sealed membrane minimizes downstream extractables 100% integrity tested for reliable performance Convenient sample monitoring with translucent housing and volume gradations Direct pipette sample access eliminates processing step to recover concentrate High concentration factors of 80–100X Applications: Concentration of biological samples containing antigens, antibodies, enzymes, nucleic acids, or microorganisms Purification of macromolecular components found in tissue culture extracts or cell lysates and protein removal prior to HPLC Concentration of dilute or pre-purified proteins from column eluents Desalting, buffer exchange and protein dialysis
  • Catalogue Number
  • UFC800324
  • Centrifugal Application
  • Protein Concentration and Desalting
  • Chemistry
  • Regenerated Cellulose (RC)
  • Color Code
  • Clear with pink cap
  • Device Material
  • Housing: Styrene/butadieneTube: PolypropyleneCap and liner: Polyethylene
  • Diameter
  • 17.3 mm
  • Filter Code
  • PLBC
  • Filter Type
  • Ultrafiltration
  • Filtration Area
  • 3 cm²
  • Key Applications
  • Protein ExtractionProtein Purification
  • Length
  • 124 mm (4.88 in.)
  • Material Size
  • 24
  • Minimum Final Concentrate Volume
  • 50 µL
  • NMWL
  • 3 KDa
  • Sterility
  • Non-Sterile
  • Support Material
  • Regenerated cellulose
  • Trade Name
  • Amicon Ultra
  • Volume
  • Key Applications
UFC800324 Amicon® Ultra-4 Centrifugal Filter Unit 101 
Add to Cart
  • Background Information
  • AMICON ULTRA-4 4ML - 3KDa cutoff. Available in 3 pack sizes. UFC800308 - 8 pack UFC800324 - 24 pack UFC800396 - 96 pack High recovery Ultracel regenerated cellulose membrane in a range of molecular weight cut-offs High retentate recovery of greater than 90% Vertical membrane reduces concentration polarization for ultra-fast spin times (as fast as 5 minutes) Heat-sealed membrane minimizes downstream extractables 100% integrity tested for reliable performance Convenient sample monitoring with translucent housing and volume gradations Direct pipette sample access eliminates processing step to recover concentrate High concentration factors of 80–100X Applications: Concentration of biological samples containing antigens, antibodies, enzymes, nucleic acids, or microorganisms Purification of macromolecular components found in tissue culture extracts or cell lysates and protein removal prior to HPLC Concentration of dilute or pre-purified proteins from column eluents Desalting, buffer exchange and protein dialysis
  • Catalogue Number
  • UFC800324
  • Centrifugal Application
  • Protein Concentration and Desalting
  • Chemistry
  • Regenerated Cellulose (RC)
  • Color Code
  • Clear with pink cap
  • Device Material
  • Housing: Styrene/butadieneTube: PolypropyleneCap and liner: Polyethylene
  • Diameter
  • 17.3 mm
  • Filter Code
  • PLBC
  • Filter Type
  • Ultrafiltration
  • Filtration Area
  • 3 cm²
  • Key Applications
  • Protein ExtractionProtein Purification
  • Length
  • 124 mm (4.88 in.)
  • Material Size
  • 24
  • Minimum Final Concentrate Volume
  • 50 µL
  • NMWL
  • 3 KDa
  • Sterility
  • Non-Sterile
  • Support Material
  • Regenerated cellulose
  • Trade Name
  • Amicon Ultra
  • Volume
  • Key Applications
UFC800396 Amicon® Ultra-4 Centrifugal Filter Unit 386 
Add to Cart
  • Background Information
  • AMICON ULTRA-4 4ML - 3KDa cutoff. Available in 3 pack sizes. UFC800308 - 8 pack UFC800324 - 24 pack UFC800396 - 96 pack High recovery Ultracel regenerated cellulose membrane in a range of molecular weight cut-offs High retentate recovery of greater than 90% Vertical membrane reduces concentration polarization for ultra-fast spin times (as fast as 5 minutes) Heat-sealed membrane minimizes downstream extractables 100% integrity tested for reliable performance Convenient sample monitoring with translucent housing and volume gradations Direct pipette sample access eliminates processing step to recover concentrate High concentration factors of 80–100X Applications: Concentration of biological samples containing antigens, antibodies, enzymes, nucleic acids, or microorganisms Purification of macromolecular components found in tissue culture extracts or cell lysates and protein removal prior to HPLC Concentration of dilute or pre-purified proteins from column eluents Desalting, buffer exchange and protein dialysis
  • Catalogue Number
  • UFC800396
  • Centrifugal Application
  • Protein Concentration and Desalting
  • Chemistry
  • Regenerated Cellulose (RC)
  • Color Code
  • Clear with pink cap
  • Device Material
  • Housing: Styrene/butadieneTube: PolypropyleneCap and liner: Polyethylene
  • Diameter
  • 17.3 mm
  • Filter Code
  • PLBC
  • Filter Type
  • Ultrafiltration
  • Filtration Area
  • 3 cm²
  • Key Applications
  • Protein ExtractionProtein Purification
  • Length
  • 124 mm (4.88 in.)
  • Material Size
  • 96
  • Minimum Final Concentrate Volume
  • 50 µL
  • NMWL
  • 3 KDa
  • Sterility
  • Non-Sterile
  • Support Material
  • Regenerated cellulose
  • Trade Name
  • Amicon Ultra
  • Volume
  • Key Applications
UFC800396 Amicon® Ultra-4 Centrifugal Filter Unit 386 
Add to Cart
  • Background Information
  • AMICON ULTRA-4 4ML - 3KDa cutoff. Available in 3 pack sizes. UFC800308 - 8 pack UFC800324 - 24 pack UFC800396 - 96 pack High recovery Ultracel regenerated cellulose membrane in a range of molecular weight cut-offs High retentate recovery of greater than 90% Vertical membrane reduces concentration polarization for ultra-fast spin times (as fast as 5 minutes) Heat-sealed membrane minimizes downstream extractables 100% integrity tested for reliable performance Convenient sample monitoring with translucent housing and volume gradations Direct pipette sample access eliminates processing step to recover concentrate High concentration factors of 80–100X Applications: Concentration of biological samples containing antigens, antibodies, enzymes, nucleic acids, or microorganisms Purification of macromolecular components found in tissue culture extracts or cell lysates and protein removal prior to HPLC Concentration of dilute or pre-purified proteins from column eluents Desalting, buffer exchange and protein dialysis
  • Catalogue Number
  • UFC800396
  • Centrifugal Application
  • Protein Concentration and Desalting
  • Chemistry
  • Regenerated Cellulose (RC)
  • Color Code
  • Clear with pink cap
  • Device Material
  • Housing: Styrene/butadieneTube: PolypropyleneCap and liner: Polyethylene
  • Diameter
  • 17.3 mm
  • Filter Code
  • PLBC
  • Filter Type
  • Ultrafiltration
  • Filtration Area
  • 3 cm²
  • Key Applications
  • Protein ExtractionProtein Purification
  • Length
  • 124 mm (4.88 in.)
  • Material Size
  • 96
  • Minimum Final Concentrate Volume
  • 50 µL
  • NMWL
  • 3 KDa
  • Sterility
  • Non-Sterile
  • Support Material
  • Regenerated cellulose
  • Trade Name
  • Amicon Ultra
  • Volume
  • Key Applications

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.


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