You Searched For: quality control

Filters are essential in research laboratories and many other industries for removing particulates and creating environments conducive to a wide array of experiments and procedures. The devices come in different forms including in-line filters, paper discs, small capsules, and large ventilation panels. Filters also purify and concentrate the liquids and gases required for testing. For air, this means removing pollution, moisture, and solid airborne particulates; for liquids, this means removing impurities and small contaminants.

Filters are essential in research laboratories and many other industries for removing particulates and creating environments conducive to a wide array of experiments and procedures. The devices come in different forms including in-line filters, paper discs, small capsules, and large ventilation panels. Filters also purify and concentrate the liquids and gases required for testing. For air, this means removing pollution, moisture, and solid airborne particulates; for liquids, this means removing impurities and small contaminants.


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Supplier: Cytiva
Description: Whatman chromatography papers are widely used across the world, reflecting their purity, high quality and consistency. They are made from specially selected cotton cellulose and rigorously quality controlled to ensure uniformity within the grade.
Supplier: Cytiva
Description: Cytiva's sterile Whatman MicroPlus-21 cellulose nitrate membrane filters are for microbiological quality control. The STL version is compatible with Membrane-Butler and other membrane filter dispensers.
Catalog Number: (102681-074)
Supplier: Electron Microscopy Sciences
Description: This PCM 25 mm air sampling cassettes are designed and manufactured to conform to all NIOSH, OSHA, and EPA standards. The cassette housings are injection molded in-house and are individually assembled and preloaded under stringent quality control standards.


Catalog Number: (102681-076)
Supplier: Electron Microscopy Sciences
Description: This PCM 25 mm air sampling cassettes are designed and manufactured to conform to all NIOSH, OSHA, and EPA standards. The cassette housings are injection molded in-house and are individually assembled and preloaded under stringent quality control standards.


Catalog Number: (102681-078)
Supplier: Electron Microscopy Sciences
Description: This PCM 25 mm air sampling cassettes are designed and manufactured to conform to all NIOSH, OSHA, and EPA standards. The cassette housings are injection molded in-house and are individually assembled and preloaded under stringent quality control standards.


Catalog Number: (102681-072)
Supplier: Electron Microscopy Sciences
Description: These PCM 25 mm air sampling cassettes are designed and manufactured to conform to all NIOSH, OSHA, and EPA standards. The cassette housings are injection molded in-house and are individually assembled and preloaded under stringent quality control standards.


Supplier: Cytiva
Description: The polyester drain disc is binder free and has a thickness of 100 µm.
Supplier: AGILENT TECHNOLOGIES, INC (CSD)
Description: Captiva dual-depth filtration media removes precipitated proteins and prevents HPLC column clogging.

Catalog Number: (89233-746)
Supplier: Cytiva
Description: MBS I is an excellent system for optimal microbiological control using membranes. The overall procedure time is reduced to a minimum. The design of the system, which consists of an electrical membrane dispenser, a funnel dispenser, and a vacuum manifold, leads to more reproducible results. All components are sold separately. The modular system provides flexibility to select the hardware and accessories that best suit the unique and varied workflows of the user.
The special sealing technique ensures easy handling and high integrity of the funnel and membrane during filtration. This keeps any cross-contamination to a minimum.

Product available on GSA Advantage®


Catalog Number: (10057-608)
Supplier: GVS FILTER TECHNOLOGY
Description: Centrifugal filter units with membrane filter for rapid and simple preparation of a large number of samples.

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Supplier: Cytiva
Description: Whatman sterile MCE membrane filters from Cytiva's business are plain or gridded filters designed to support routine cell counting and particle detection.

Product available on GSA Advantage®

Supplier: Environmental Express
Description: These ready-to-use filters for total and volatile suspended solids decrease sample prep time for your suspended solids testing.

Supplier: Advantec MFS
Description: Mixed Cellulose Esters (MCE) membrane is a general purpose filter used in many applications for the microbiological examination of water, wastewater, pharmaceuticals, food, and beverages and air monitoring. MCE membranes offer high recovery rates and superior flow rates.

Supplier: Advantec MFS
Description: Mixed Cellulose Esters (MCE) membrane is a general purpose filter used in many applications for microbiological analysis and air monitoring. Contrasting grid lines are tested to assure freedom from grid line inhibition and facilitate colony/particle counting. Black and Green membranes provide a contrastng background for counting light colored particulates and help to minimize eye fatique.

Catalog Number: (76033-554)
Supplier: 3M
Description: Zeta Plus™ SP Series Filter Cartridges to provide optimal clarification of pharmaceutical, biological, bioprocess and cosmetic fluids. They are constructed with Zeta Plus™ SP Series depth filtration media, composed of inorganic filter aid, cellulose and a resin system that imparts a positive charge to the filter matrix, aiding its adsorption of negatively charged contaminants.


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Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
This product is marked as restricted and can only be purchased by approved Shipping Accounts. If you need further assistance, email VWR Regulatory Department at Regulatory_Affairs@vwr.com
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The original product is no longer available. The replacement shown is available.
This product is no longer available. Alternatives may be available by searching with the VWR Catalog Number listed above. If you need further assistance, please call VWR Customer Service at 1-800-932-5000.
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