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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
MZHAWG251 EZ-Pak & Microfil 250mL, 0.45µm 47mm white gridded membrane 277 
Add to Cart
  • Catalogue Number
  • MZHAWG251
  • Chemistry
  • Mixed Cellulose Esters (MCE)
  • Color Code
  • White
  • Device Material
  • Polypropylene (PP)
  • Filter Color
  • White
  • Filter Diameter (⌀)
  • 47 mm
  • Filter Surface
  • Gridded
  • Key Applications
  • ClinicalCosmeticsEnvironmentalFood and BeverageIndustrial QC
  • Material Size
  • 150 filters, 150 funnels
  • Media
  • MF-Millipore
  • Overview
  • For the ultimate in convenience and efficiency, combine the EZ-Pak® system with the Microfil® filtration system. The Microfil® system includes ready-to-use, sterile filtration funnels and a unique filtration support to facilitate sample processing. No preparation steps are required.
  • Pore Size
  • 0.45 µm
  • Sterility
  • Sterilized
  • Trade Name
  • Microfil
  • Volume
  • 250 mL
  • Wettability
  • Hydrophilic
GSWG047S6 S-Pak Filters 0.22µm 47mm white gridded 317 
Add to Cart
  • Catalogue Number
  • GSWG047S6
  • Chemistry
  • Mixed Cellulose Esters (MCE)
  • Device Material
  • Not applicable
  • Filter Color
  • White
  • Filter Diameter (⌀)
  • 47 mm
  • Filter Surface
  • Gridded
  • Key Applications
  • ClinicalCosmeticsEnvironmentalFood and BeverageIndustrial QCPharmaceutical
  • Material Package
  • Individually sealed, with blue separator paper, sterile
  • Material Size
  • 4 boxes of 150 filters
  • Overview
  • S-Pak Filters 0.22 µm 47 mm white gridded are made from mixed esters of cellulose and have been optimized for MF method microbiological analysis of water or other liquids
  • Pore Size
  • 0.22 µm
  • Sterility
  • Sterilized
  • Trade Name
  • S-Pak
  • Volume
  • Not applicable
GSWG047S6 S-Pak Filters 0.22µm 47mm white gridded 317 
Add to Cart
  • Catalogue Number
  • GSWG047S6
  • Chemistry
  • Mixed Cellulose Esters (MCE)
  • Device Material
  • Not applicable
  • Filter Color
  • White
  • Filter Diameter (⌀)
  • 47 mm
  • Filter Surface
  • Gridded
  • Key Applications
  • ClinicalCosmeticsEnvironmentalFood and BeverageIndustrial QCPharmaceutical
  • Material Package
  • Individually sealed, with blue separator paper, sterile
  • Material Size
  • 4 boxes of 150 filters
  • Overview
  • S-Pak Filters 0.22 µm 47 mm white gridded are made from mixed esters of cellulose and have been optimized for MF method microbiological analysis of water or other liquids
  • Pore Size
  • 0.22 µm
  • Sterility
  • Sterilized
  • Trade Name
  • S-Pak
  • Volume
  • Not applicable
HVWP047S6 S-Pak Filters 0.45µm 47mm white plain sterile 376 
Add to Cart
  • Catalogue Number
  • HVWP047S6
  • Chemistry
  • Polyvinylidene Fluoride (PVDF)
  • Device Material
  • Not applicable
  • Filter Color
  • White
  • Filter Diameter (⌀)
  • 47 mm
  • Filter Surface
  • Plain
  • Key Applications
  • ClinicalCosmeticsEnvironmentalFood and BeverageIndustrial QC
  • Material Package
  • Individually sealed, with blue separator paper, sterile
  • Material Size
  • 4 boxes of 150 filters
  • Overview
  • S-Pak Filters 0.45µm 47mm white plain sterile are made from Hydrophilic Polyvinylidene Fluoride (PVDF) and have been optimized for broad chemical compatibility and low protein binding, Clinical Lab, Industrial QC , environmental Analysis, Laboratory Filtration
  • Pore Size
  • 0.45 µm
  • Sterility
  • Sterile
  • Trade Name
  • S-Pak
  • Volume
  • Not applicable
  • Wettability
  • Hydrophilic
HVWP047S6 S-Pak Filters 0.45µm 47mm white plain sterile 376 
Add to Cart
  • Catalogue Number
  • HVWP047S6
  • Chemistry
  • Polyvinylidene Fluoride (PVDF)
  • Device Material
  • Not applicable
  • Filter Color
  • White
  • Filter Diameter (⌀)
  • 47 mm
  • Filter Surface
  • Plain
  • Key Applications
  • ClinicalCosmeticsEnvironmentalFood and BeverageIndustrial QC
  • Material Package
  • Individually sealed, with blue separator paper, sterile
  • Material Size
  • 4 boxes of 150 filters
  • Overview
  • S-Pak Filters 0.45µm 47mm white plain sterile are made from Hydrophilic Polyvinylidene Fluoride (PVDF) and have been optimized for broad chemical compatibility and low protein binding, Clinical Lab, Industrial QC , environmental Analysis, Laboratory Filtration
  • Pore Size
  • 0.45 µm
  • Sterility
  • Sterile
  • Trade Name
  • S-Pak
  • Volume
  • Not applicable
  • Wettability
  • Hydrophilic
GSWP047S0 SO-Pak Filters 0.22µm 47mm white plain Special offer 
Add to Cart
  • Catalogue Number
  • GSWP047S0
  • Chemistry
  • Mixed Cellulose Esters (MCE)
  • Device Material
  • Not applicable
  • Filter Color
  • White
  • Filter Diameter (⌀)
  • 47 mm
  • Filter Surface
  • Plain
  • Key Applications
  • ClinicalCosmeticsEnvironmentalFood and BeverageIndustrial QCPharmaceutical
  • Material Package
  • Sterile pack: 10 resealable envelopes containing 10 filters and 10 pads, sterile
  • Material Size
  • 100
  • Overview
  • SO Pak filters - 10 resealable envelopes containing 10 filters and 10 pads, presterilized.
  • Pore Size
  • 0.22 µm
  • Sterility
  • Sterilized
  • Trade Name
  • Not applicable
  • Volume
  • Not applicable
  • Wettability
  • Hydrophilic
HAWG047A0 AO Pak Filters 0.45µm 50mm white gridded Special offer 
Add to Cart
  • Catalogue Number
  • HAWG047A0
  • Chemistry
  • Mixed Cellulose Esters (MCE)
  • Device Material
  • Not applicable
  • Filter Color
  • White
  • Filter Diameter (⌀)
  • 47 mm
  • Filter Surface
  • Gridded
  • Key Applications
  • ClinicalCosmeticsEnvironmentalFood and BeverageIndustrial QC
  • Material Package
  • Autoclave pack: 10 resealable envelopes containing 10 filters and 10 pads, requires autoclaving
  • Material Size
  • 100
  • Overview
  • AO Pak filters - 10 resealable envelopes containing 10 filters and 10 pads, requires autoclaving.
  • Pore Size
  • 0.45 µm
  • Sterility
  • Non-sterile
  • Trade Name
  • Not applicable
  • Volume
  • Not applicable
  • Wettability
  • Hydrophilic
HAWG647SP S-Pak 0.45µm 47mm white gridded + 3 dispensers & 600pads 314 
Add to Cart
  • Catalogue Number
  • HAWG647SP
  • Chemistry
  • Mixed Cellulose Esters (MCE)
  • Filter Color
  • White
  • Filter Diameter (⌀)
  • 47 mm
  • Filter Surface
  • Gridded
  • Key Applications
  • Clinical LabCosmeticsFood and BeverageIndustrial QCEnvironmental
  • Material Size
  • 600
  • Overview
  • S-Pak 0.45µm 47mm white gridded + 3 dispensers & 600pads are made from mixed esters of cellulose and have been optimized for MF method microbiological analysis of water or other liquids
  • Pore Size
  • 0.45 µm
  • Trade Name
  • S-Pak
HAWG647SP S-Pak 0.45µm 47mm white gridded + 3 dispensers & 600pads 314 
Add to Cart
  • Catalogue Number
  • HAWG647SP
  • Chemistry
  • Mixed Cellulose Esters (MCE)
  • Filter Color
  • White
  • Filter Diameter (⌀)
  • 47 mm
  • Filter Surface
  • Gridded
  • Key Applications
  • Clinical LabCosmeticsFood and BeverageIndustrial QCEnvironmental
  • Material Size
  • 600
  • Overview
  • S-Pak 0.45µm 47mm white gridded + 3 dispensers & 600pads are made from mixed esters of cellulose and have been optimized for MF method microbiological analysis of water or other liquids
  • Pore Size
  • 0.45 µm
  • Trade Name
  • S-Pak
HAWG050S6 S-Pak Filters 0.45µm 50mm white gridded 272 
Add to Cart
  • Catalogue Number
  • HAWG050S6
  • Chemistry
  • Mixed Cellulose Esters (MCE)
  • Device Material
  • Not applicable
  • Filter Color
  • White
  • Filter Diameter (⌀)
  • 50 mm
  • Filter Surface
  • Gridded
  • Key Applications
  • ClinicalCosmeticsEnvironmentalFood and BeverageIndustrial QC
  • Material Package
  • Individually sealed, with blue separator paper, sterile
  • Material Size
  • 4 boxes of 150 filters
  • Overview
  • S-Pak Filters 0.45µm 50mm white gridded are made from mixed esters of cellulose and have been optimized for MF method microbiological analysis of water or other liquids
  • Pore Size
  • 0.45 µm
  • Sterility
  • Sterilized
  • Trade Name
  • S-Pak
  • Volume
  • Not applicable
  • Wettability
  • Easily wetted with water

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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