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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.
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1 – 15 of 794 results
1

Cytiva Whatman™ Qualitative Filter Paper: Grade 1 Circles

Covers a wide range of laboratory applications and is frequently used for clarifying liquids. Whatman™ Qualitative Filter Paper: Grade 1 Circles are widely used standard grade filter papers for routine applications with medium retention and flow rates.

EDGE
Thickness (Metric) 180 μm
Flow Rate 57mL/min. (water)
Particle Retention >11 μm
Basis Weight 87 g/m2
Format Disc
Airflow Rate 13sec./100mL/sq. in.
Grade Grade 1
Material Cellulose
Porosity Medium
Filtration Speed 150 sec.
For Use With (Application) A widely used standard grade filter paper for routine applications with medium retention and flow rate. It covers a wide range of laboratory applications and is frequently used for clarifying liquids.
2

Cytiva Whatman™ Binder-Free Glass Microfiber Filters, Grade GF/A

Combines high loading capacity with fine particle retention. Whatman™ Binder-Free Glass Microfiber Filters, Grade GF/A are ideal for gravimetric determination of airborne particulates, stack sampling and absorption methods of air pollution monitoring.

EDGE
Particle Retention 1.6 μm
Temperature (English) Max. 932°F
Shape Circle
Description GE’s Whatman Grade GF/A glass microfiber filters feature fine retention. GF/A filters are suitable for water quality parameter measurement and air filtration applications.
Temperature (Metric) Max 500°C
Quantity 100 Pieces
Grade Grade GF/A
Material Borosilicate Glass
For Use With (Application) Used for high-efficiency general purpose laboratory filtration, including water pollution monitoring of effluents, for filtration of water, foodstuff analyses, protein filtration, and radioimmunoassay of weak β emitters.
Thickness (Metric) 260 μm
Flow Rate 13 sec./100mL
Type Fine Retention Filter
Format Disc
Thickness (English) 0.01 in.
Waterflow Rate 143 mL/min
3

Cytiva Whatman™ Binder-Free Glass Microfiber Filters, Grade GF/C

Combines fine particle retention with good flow rate. Whatman™ Binder-Free Glass Microfiber Filters, Grade GF/C are ideal for the collection of suspended solids in potable water, natural and industrial wastes.

EDGE
Thickness (Metric) 260 μm
Flow Rate 10.5 sec./100 mL
Particle Retention 1.2 μm
Temperature (English) Max. 932°F
Basis Weight 53 g/m2
Shape Circle
Format Disc
Description GE’s Whatman filter paper Grade GF/C glass filters offer a good flow rate and loading capacity that support total suspended solids analysis.
Thickness (English) 0.01 in.
Temperature (Metric) Max 500°C
Grade Grade GF/C
Material Borosilicate Glass
Waterflow Rate 105 mL/min
4

Cytiva Whatman™ Binder-Free Glass Microfiber Filters GF/F Circles

Served as the basis filter for EPA standard for the toxicity characteristic leaching procedure. Whatman™ Binder-Free Glass Microfiber Filters GF/F Circles offers an extremely high loading capacity and flow rate.

EDGE
Particle Retention 0.7 μm
Temperature (English) Max. 932°F
Shape Circle
Description Whatman Grade GF/F filter from Cytiva's business is manufactured from pure borosilicate glass. GF/F offers very fine particle retention and good loading capacity and flow rate.
Temperature (Metric) Max 500°C
Grade Grade GF/F
Material Borosilicate Glass
For Use With (Application) Recommended for DNA binding and purification.Very effective in filtering finely precipitated proteins.Can be used in conjunction with GF/D as a prefilter for the successful clarification of extremely ‘difficult’ biochemical solutions and fluids and nucl
Thickness (Metric) 420 μm
Flow Rate 19 sec./100mL/in.2
Type Filter for TCLP Test Use
Format Disc
Thickness (English) 0.016 in.
Autoclavable Autoclavable
Waterflow Rate 41 mL/min
5
Promotions Available

Cytiva Acrodisc™ Syringe Filters with Supor™ Membrane, Sterile

Sterile Acrodisc syringe filters featuring Supor™ membrane for high throughputs, fast filtration, and low protein binding. Available in 13 mm, 25 mm and 32 mm sizes, with pore sizes ranging from 0.1 μm to 5.0 μm.

EDGE
Material (Membrane) PES
Sterility Sterile
6
Promotions Available

Cytiva AcroPak™ 300 Capsule with PTFE Membrane

AcroPak 300 Capsule offers broad chemical compatibility with PTFE membrane and polypropylene housing.

EDGE
Pore Size 0.2 μm
Outlet Style Stepped Hose Barb
Material (Membrane) PTFE
Sterility Non-sterile
Filtration Area 280 cm2
7

Cytiva Whatman™ HEPA-Vent Filter

Strengthened glass filter media by dual lamination with a tough polyester monofilament. Whatman™ HEPA-Vent Filters are ideal for air and gas filtration applications where high retention, dirt-holding capacity and flow rates are required.

EDGE
8

Cytiva Whatman™ Grade 54 Quantitative Filter Paper

Supports collection of coarse and gelatinous precipitates with minimal fiber shredding, even when wet. Whatman™ Grade 54 Quantitative Filter Paper has a hard, smooth surface to sustain vacuum and suction filtration.

EDGE
Thickness (Metric) 185 μm
Pore Size 22 μm
Flow Rate Fast
Particle Retention 22 μm
Type Quantitative Filter Paper
Airflow Rate 3 s/100 mL/in2
Grade Grade 54
Material Cotton Linters
Filter Type Hardened Low Ash
Porosity Coarse
Filtration Speed ASTM, 10 seconds; Herzberg, 39 seconds
9

Cytiva Whatman™ 30mm SPARTAN™ Regenerated Cellulose Syringe Filters

Provides reproducible results from the filtration of organic and aqueous solutions in HPLC. Whatman™ 30mm Spartan™ Regenerated Cellulose Syringe Filters is resistant to common HPLC solvents and exhibits very low levels of extractables that could otherwise interfere with analysis.

EDGE
Type Syringe Filter
Outlet Style Male Luer
Diameter (Metric) 30 mm
Inlet Style Female Luer Lock
Housing Material Polypropylene
Material (Membrane) Regenerated Cellulose
For Use With (Application) Filtration of organic and aqueous solutions in HPLC with reproducible results; Purification of aqueous and organic solutions; Filtration of protein solutions
10
Promotions Available

Cytiva AcroPak™ 200 Capsules with Supor™ Membrane

AcroPak capsules designed for research applications only.

EDGE
Pore Size 0.8/0.2 μm
Material (Membrane) Hydrophilic PES
Quantity 3/Pk.
Sterility Sterile
Filtration Area 200 cm2
11
Promotions Available

Cytiva Acrodisc™ Syringe Filters with Glass Fiber Filter

Available with GxF multi-layered glass fiber prefilter, providing two to four times the throughput of standard glass fiber prefilter devices, and allowing quick and easy filtration of your most difficult-to-filter samples.

EDGE
Pore Size 1 μm
Housing Material Polypropylene
Material (Membrane) Borosilicate Glass Fiber
Sterility Non-sterile
12

Cytiva Whatman™ Qualitative Filter Paper: Grade 595 ½ Pleated Circles

Pleated to save time and achieve optimal fit in conical filter funnels. Whatman™ Qualitative Filter Paper: Grade 595 ½ Pleated Circles provide extra surface area to increase total loading capacity.

EDGE
Thickness (Metric) 150 μm
Pore Size 7 μm
Flow Rate Medium fast
Particle Retention 7 μm
Quantity 100 Pk.
Grade Grade 595 ½
Material Cellulose
Filtration Speed Approx. 80 s
For Use With (Application) A prepleated filter used for many routine analytical applications in different industries (e.g., particle separation from food extracts or filtration of solids from digested environmental samples, e.g., for ICP/AAS analysis).
13

Cytiva Whatman™ Kjeldahl Analysis Weighing Paper, Grade B-2

Dissolves residue-free in acid solution, which is critical in applications such as Kjeldahl analysis of nitrogen in soil. Whatman Kjeldahl Analysis Weighing Paper, Grade B-2 is thin, lightweight, and low in nitrogen for accurate chemical analysis.

EDGE
Thickness (Metric) 0.04 mm
Format Sheet
Quantity 500 Pk.
Grade B-2
Material Parchment Paper
14
Promotions Available

Cytiva Nanosep™ Centrifugal Devices with Omega™ Membrane

Use Nanosep™ devices to concentrate, purify, and desalt peptides, proteins, oligonucleotides, DNA, and RNA.

EDGE
Description EFA: 0.3 cm2
Housing Material Polypropylene
Material (Membrane) PES
Volume (Metric) 50 to 500 μL (Sample)
Sterility Non-sterile
15

Cytiva Whatman™ Nylon Membranes

Flexible and durable for easier handling. Cytiva Nylon Membranes are naturally hydrophilic, eliminating need for wetting agents and prewetting when filtering aqueous solutions.

EDGE
Material Nylon
Hydrophobicity Hydrophilic
Autoclavable Autoclavable