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Brand
Saint-Gobain
Sizes
1 (1 Pack)
Available From
1 Supplier
Price
$ 38.00
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Brand
Saint-Gobain
Sizes
1 (1 Pack)
Available From
1 Supplier
Price
$ 43.18
Catalog IDs
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Filters, Zitex, Fine Grade, 47mm, 10PC - D1069175
Capacity
/
Material
/
Applicable Processes
/
Scientific Score
3.45
Brand
Saint-Gobain
Sizes
1 (1 Pack)
Available From
2 Suppliers
Price Range
$ 45.05 - $ 70.23
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Filters, Zitex, Extra Fine Grade, 90mm, 10PC - D1069186
Capacity
/
Material
/
Applicable Processes
/
Scientific Score
2.72
Brand
Saint-Gobain
Sizes
1 (1 Pack)
Available From
2 Suppliers
Price Range
$ 81.60 - $ 111.16
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Filters, Zitex, Fine Grade, 90mm, 10PC - D1069187
Capacity
/
Material
/
Applicable Processes
/
Scientific Score
2.72
Brand
Saint-Gobain
Sizes
1 (1 Pack)
Available From
2 Suppliers
Price Range
$ 81.60 - $ 114.29
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Nylon 66 Filter Membranes SKU : 58067
Capacity
/
Material
/
Applicable Processes
/
Scientific Score
6.16
Brand
Supelco
Sizes
1 (50 Units)
Available From
2 Suppliers
Price Range
$ 59.50 - $ 66.02
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Polydisc TF Filter, polypropylene, 0.1 µm
Capacity
/
Material
Polypropylene (PP)
Polypropylene (PP)
Applicable Processes
Sample preparation
Sample preparation
Scientific Score
8.78
Brand
Whatman
Sizes
1 (10 Units)
Available From
2 Suppliers
Price Range
$ 166.24 - $ 198.74
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Whatman® Puradisc 25 syringe filters Puradisc 25 syringe filter, 0.1 μm, PTFE, 50/pk
Capacity
/
Material
/
Applicable Processes
/
Scientific Score
9.19
Brand
Whatman
Sizes
1 (50 Filters)
Available From
1 Supplier
Price
$ 227.40
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Brand
Sigma-Aldrich
Sizes
1 (25 Discs)
Available From
1 Supplier
Price
$ 61.10
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Bottom-of-the-Bottle™ filter/sparger SKU : a437
Capacity
/
Material
PEEK
PEEK
Applicable Processes
/
Scientific Score
6.72
Brand
Supelco
Sizes
1 (1 Unit)
Available From
1 Supplier
Price
$ 29.60
Catalog IDs
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Cellulose Acetate Spin Filters (0.22 um). For sample cleanup before loading column
Capacity
/
Material
/
Applicable Processes
/
Scientific Score
7.06
Brand
Agilent
Sizes
1 (25 Filters)
Available From
1 Supplier
Price
$ 63.07
Catalog IDs
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BRAND® filter disc for Buchner funnel SKU : br148615
Capacity
/
Material
high-density polyethylene
high-density polyethylene
Applicable Processes
/
Scientific Score
6.72
Brand
BRAND
Sizes
1 (10 Units)
Available From
1 Supplier
Price
$ 24.60
Catalog IDs
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Filter Function & Application

A filter can be defined any porous medium through which a fluid, such as a liquid or gas, is passed with the ultimate aim of separating, or filtering, certain components within it. In general, filtration removes suspended impurities or recovers solids from the fluid sample. The fluid that can pass through the filter is known as the filtrate. According to the application of filtration, either one or both of the fluid components can be separated.

Filtration is a common process not just within biological research, but also within engineering, geography, physics, and nature itself.

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Filter Variations

Syringe filters are single-use filter cartridges attached to the end of a syringe with a variety of applications including HPLC sample purification and gas filtration.

Bottle top filters are used for sterile filtration and clarification of laboratory fluids.

Centrifugal filters play a fundamental role in collecting the filtrate and removing debris during centrifugation.

Venting filters vent air/gasses from vessels or tanks while also keeping contaminants out of the vessel.

Filter membrane cut discs are pre-cut, convenient filters that are available in a range of materials, including paper and glass microfiber.

Filtration accessories such as cones for mounting filters onto flasks and forceps for the careful removal of filters.