Glass Fiber Filters and Prefilters

Glass Fiber Filters and Prefilters

Glass filters and pre-filters for contamination analysis, liquid clarification, and collection of suspended solids; available in with or without binders and in a range of grades for fine particle filtration.
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1 – 30 of 106 results
1

Fisherbrand™ Glass Fiber Circles

Faster flow, higher retention than cellulose filters

EDGE
Flow Rate Fast
Temperature (English) Max. 932°F
Temperature (Metric) Max 500°C
Material Glass Fiber
Autoclavable Autoclavable
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 1.6μm
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 Circle
Thickness (English) 0.01 in.
Waterflow Rate 143 mL/min
3

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

Filters fine particles with high wet-strength and high loading capacity. Whatman™ Binder-Free Microfiber Filters, Grade GF/B are particularly useful for liquid clarification and liquid scintillation counting.

EDGE
Thickness (Metric) 675 μm
Flow Rate 5.5 sec./100mL
Particle Retention 1.0μm
Type Filter
Temperature (English) Max. 932°F
Basis Weight 143 g/m2
Format Circle
Description GE’s Whatman brand Grade GF/B is a thick filter with fine particle filter and good loading capacity. GF/B filters are particularly useful for liquid clarification and liquid scintillation counting.
Thickness (English) 0.02 in.
Temperature (Metric) Max 500°C
Grade Grade GF/B
Material Borosilicate Glass
Waterflow Rate 81 mL/min
4

Cytiva Whatman™ Binder-Free Glass Microfiber Prefiters, Grade GF/D

Functions as a prefilter when used with GF/B microfiber filters. Whatman™ Binder-Free Glass Microfiber Prefilters, Grade GF/D provide efficient membrane protection, especially during liquid scintillation counting.

EDGE
Particle Retention 2.7μm
Temperature (English) Max. 932°F
Shape Circle
Description GE’s Whatman Grade GF/D fine membrane filters are thick and offer good loading capacity. GF/D can also function as a prefilter when used with GF/B, and it comes in many sizes to fit most filter holders.
Temperature (Metric) Max 500°C
Grade Grade GF/D
Material Borosilicate Glass
Thickness (Metric) 675 μm
Flow Rate 2.6 s/100mL/in2
Type Prefilter
Basis Weight 121 g/m2
Format Circle
Thickness (English) 0.02 in.
Autoclavable Autoclavable
Waterflow Rate 681 mL/min
5

Cytiva Whatman™ Acid-Treated Low-Metal TCLP Filters

Binder free filters

EDGE
Thickness (Metric) 420 μm
Particle Retention 0.7μm
Type TCLP Limits Test Filter
Shape Circle
Format Circle
Description GE’s Whatman TCLP test filters are acid-treated with low metal content. They support TCLP testing by providing accurate information about TCLP limits to ensure the best possible disposal plan can be put into action.
Material Borosilicate Glass
Waterflow Rate 60 mL/min
6

Cytiva Whatman™ 934-AH RTU Glass Microfiber Filters

Fast and convenient

EDGE
Thickness (Metric) 435 μm
Flow Rate 47 sec./100mL
Particle Retention 1.5μm
Type RTU Filter for Total Suspended Solids Analysis
Temperature (English) Max. 1022°F
Description Our Whatman glass microfiber filter papers in grade 934-AH RTU have been pre-washed, dried (or ignited), cooled, desiccated and weighed, which eliminates the pre-treating steps that are otherwise required by the US EPA Laboratory Standard Method 2540 part
Thickness (English) 0.017 in.
Temperature (Metric) Max 550°C
Quantity 100 pieces
Grade 934-AH RTU
Material Borosilicate Glass
For Use With (Application) Monitoring of rivers, lakes and coastal waters
Waterflow Rate 341 mL/min
7

Cytiva Whatman™ Grade 934-AH™ RTU Glass Microfiber Filter

Permits rapid passage of very large sample volumes without blockage for collection of suspended solids in potable, natural, and industrial waters

EDGE
8

MilliporeSigma™ Glass Fiber Filters with Binder, 2 μm

For prefiltration and contamination analysis

EDGE
Pore Size 2 μm
Particle Retention 0.8 to 8 µm
Temperature (English) Max. 1022°F
Temperature (Metric) Max 550°C
Color White
Material Borosilicate Microfiber Glass
Hydrophobicity Hydrophilic
Sterility Sterile
Includes Binder resin
Wettability Hydrophilic
Type Filter Membranes
Filter Type Depth filter
Surface Type Plain
Autoclavable Autoclavable
9

MilliporeSigma™ Glass Fiber Filters Without Binder, 1 μm
GSA_VA

Hydrophilic Glass Fiber without Binder Resin filter

EDGE
Thickness (Metric) 700 µm
Wettability Hydrophilic
Type Filter Membranes
Temperature (Metric) Max 500°C
Color White
Grade APFB
Filter Type Depth filter
Surface Type Plain
Autoclavable Autoclavable
Sterility Sterile
10

MilliporeSigma™ Reinforced Membrane Filters

Contain no asbestos or fiberglass; made from non-shedding materials.

EDGE
Pore Size 0.5 μm
Temperature (English) Max. 158°F
Temperature (Metric) Max 70°C
Color White
Material Polymers of Cellulose Ester
Hydrophobicity Hydrophilic
Sterility Sterile
Thickness (Metric) 200 µm
Wettability Hydrophilic
Type Filter Membranes
Thickness (English) 0.007 in.
Filter Type Screen filter
Surface Type Plain
Autoclavable Autoclavable
11

MilliporeSigma™ Glass Fiber Filters Without Binder
GSA_VA

Choose from six grades of filters. Glass Fiber Filters without Binders are made of borosilicate microfiber glass. Available in multiple pore sizes and flow rates for a variety of filtration and analysis applications utilizing depth filters. Autoclavable.

EDGE
Pore Size 0.7 μm
Type Filter Membranes
Color White
Filter Type Depth filter
Surface Type Plain
12

Cytiva Whatman™ Binder-Free Glass Microfiber Filters, Grade 934-AH Circles

Designed for analysis of non-filterable residue and materials that require a high loading capacity glass microfiber filter. Whatman™ Binder-Free Glass Microfiber Filters, Grade 934-AH Circles are also used in cell harvesting, liquid scintillation, and monitoring pollution.

EDGE
Particle Retention 1.5μm
Temperature (English) Max. 932°F
Shape Circle
Description Whatman Grade 934-AH borosilicate glass microfiber filters from GE are smooth water quality filters with high retention efficiency. Grade 934-AH filters are often used in total suspended solids analysis.
Filtration Time 47 sec./100mL
Quantity 100 Pack
Grade Grade 934-AH
Material Borosilicate Glass
Thickness (Metric) 435 μm
Flow Rate 3.7 sec./100mL/in.2
Type Filter for Total Suspended Solids Analysis
Basis Weight 64 g/m2
Format Circle
Thickness (English) 0.017 in.
Surface Type Smooth
Waterflow Rate 341 mL/min
13

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./100mL
Particle Retention 1.2μm
Temperature (English) Max. 932°F
Basis Weight 53 g/m2
Shape Circle
Format Circle
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
14

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 0.7μm
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 Circle
Thickness (English) 0.016 in.
Autoclavable Autoclavable
Waterflow Rate 41 mL/min
15

Cytiva Whatman™ Glass Microfiber Prefilter, 1μm Particle Retention Rating

Multilayer graded density filters for rapid and efficient filtration of samples with high solids content. Whatman™ Glass Microfiber Prefilters are designed with a coarse glass filter top layer (10μm) meshed with a finer layer. The multigrade glass filter traps larger particles in its pores of the coarse layer, medium-sized particles in the interface meshing, and smaller particles in the interstices of the fine layer.

EDGE
Thickness (Metric) 730 μm
Particle Retention >1μm
Type Prefilter
Shape Circle
Format Circle
Description GE’s Whatman GMF 150 prefilters are multilayer graded density filters for rapid and efficient filtration of samples with high solids content.
Airflow Rate 3.1 s/100 ml/1.56 cm2
Grade Grade GMF 150
Material Borosilicate Glass
For Use With (Application) Prefilter with high loading capacity and good flow rates.
Waterflow Rate 222 mL/min
16

Ahlstrom™ Glass Microfiber Filter Papers - Grade 161

Ahlstrom Grade 161 is a binder-free microfiber glass filter that offers finer particle retention and higher flow rate than traditional analytical papers.

EDGE
Thickness (Metric) 0.32 mm
Flow Rate 3.6 cfm/ft2
Particle Retention 1.1μm
Temperature (English) Max. 932°F
Format Circle
Thickness (English) 0.012 in.
Temperature (Metric) Max 500°C
Grade 161
Material Borosilicate Glass
For Use With (Application) Fine porosity and high flow for TSS, cell harvesting, and general laboratory applications
17

Fisherbrand™ Filters for TCLP
GSA_VA

Binder-free, borosilicate glass fiber filters have 0.7 micron pore size

Pore Size 0.7 μm
Material Borosilicate Glass Fiber
18

MilliporeSigma™ Filter Support Pads
GSA_VA

Reinforce filters or use as spacers between filters. Filter Support Pads are available in absorbant cellulose pads to support filters in monitors or woven Dacron™ mesh spacers designed for use between filters. Available in diameters from 13mm to 124mm.

Particle Retention 0.2 to 0.6 µm
Temperature (English) Max. 220°F
Temperature (Metric) Max 105°C
Color White
Quantity 100Pack.
Grade AP10
Material Cellulose Fiber
Hydrophobicity Hydrophilic
For Use With (Application) Used as filter supports in Millipore™ monitors for contamination analysis for drying filters
Thickness (Metric) 0.8 to 1 mm
Flow Rate 5.8 mL/minx cm2
Wettability Hydrophilic
Thickness (English) 0.031 to 0.039 in.
Filter Type Depth filter
Surface Type Plain
19

MilliporeSigma™ Glass Fiber Filters with Binder, 1 μm
GSA_VA

For prefiltration and contamination analysis

Pore Size 1 μm
Particle Retention 0.2 to 0.6 µm
Temperature (English) Max. 1022°F
Airflow Rate 10.6 L/min/ cm2
Air Resistance 210 mm of H2O
Temperature (Metric) Max 550°C
Color White
Grade AP15
Material Borosilicate Microfiber Glass
Hydrophobicity Hydrophilic
For Use With (Application) Prefiltration and contamination analysis
Sterility Sterile
Thickness (Metric) 790 µm
Includes Binder resin
Flow Rate 1.6 mL/min/ cm2
Wettability Hydrophilic
Type Filter Membranes
Thickness (English) 0.031 in.
Protein Binding Capacity 100 µg/ cm2
Filter Type Depth filter
Surface Type Plain
Autoclavable Autoclavable
20

MilliporeSigma™ Woven Mesh Spacer, Dacron, 124 mm

Woven mesh spacers are placed between filters in serial filtration to prevent the downstream screen filter from 'blinding' the upstream filter pores. They increase flow rate & throughput.

Wettability Hydrophilic
Color White
Surface Type Plain
21

MilliporeSigma™ Glass Fiber Filters Without Binder, 1.6 μm
GSA_VA

Hydrophilic Glass Fiber without Binder Resin filter

Wettability Hydrophilic
Color White
Material Borosilicate Microfiber Glass
Surface Type Plain
Autoclavable Autoclavable
22

MilliporeSigma™ Glass Fiber Filters Without Binder, 2.7 μm
GSA_VA

Hydrophilic Glass Fiber without Binder Resin filter

Pore Size 2.7 μm
Particle Retention 2.7 µm
Temperature (English) Max. 932°F
Airflow Rate 139 L/min/ cm2
Air Resistance 16 mm of H2O
Temperature (Metric) Max 500°C
Color White
Grade APFD
Material Borosilicate Microfiber Glass
Hydrophobicity Hydrophilic
For Use With (Application) Use for clarifying suspensions containing particulates
Sterility Sterile
Thickness (Metric) 470 µm
Flow Rate 2.7 mL/min/ cm2
Wettability Hydrophilic
Type Filter Membranes
Thickness (English) 0.018 in.
Filter Type Depth filter
Surface Type Plain
Autoclavable Autoclavable
23

MilliporeSigma™ Glass Fiber Filters Without Binder, 1.2 μm

Hydrophilic Glass Fiber without Binder Resin filter

Wettability Hydrophilic
Type Filter Membranes
Temperature (Metric) Max 500°C
Color White
Filter Type Depth filter
Surface Type Plain
Autoclavable Autoclavable
Sterility Sterile
24

Cytiva Whatman™ Glass Microfiber Filter Paper, 93AH Pre-Rinsed and Dried

Whatman™ Binder-Free Glass Microfiber Filters, Grade 934-AH Sheets are also used in cell harvesting, liquid scintillation, and monitoring pollution.

25

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.

26

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

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

Particle Retention 1.2μm
Temperature (English) Max. 932°F
Shape Sheet
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.
Temperature (Metric) Max 500°C
Grade Grade GF/C
Material Borosilicate Glass
Thickness (Metric) 260 μm
Flow Rate 10.5 sec./100mL
Type Filter
Basis Weight 53 g/m2
Format Sheet
Thickness (English) 0.01 in.
Waterflow Rate 105 mL/min
27

Cytiva Whatman™ Binder-Free Glass Microfiber Prefiters, Grade GF/D Sheets

Functions as a prefilter when used with GF/B microfiber filters. Whatman™ Binder-Free Glass Microfiber Prefilters, Grade GF/D Sheets provide efficient membrane protection, especially during liquid scintillation counting.

28

Cytiva Whatman Grade GF/C Glass Microfiber Filters, Binder Free, Ready to Use

Grade GF/C glass filters offer fine particle retention, good flow rate and loading capacity, and support total suspended solids analysis.

Thickness (Metric) 260 μm
Pore Size 1.2 μm
Particle Retention 1.2μm
Description GE’s ready-to-use Whatman filter paper Grade GF/C glass filters offer a good flow rate and loading capacity that support total suspended solids analysis with a fine nominal particle retention of 1.2 μm.
Airflow Rate 6.7s/100mL/in2
Temperature (Metric) Max 550°C
Quantity 100 Pieces
Grade Grade GF/C
Material Borosilicate Glass
For Use With (Application) Widely used for cell harvesting, liquid scintillation counting and binding assays where more loading capacity is required.Highly suitable for use in applications involving air filtration and for gravimetric analysis of volatile materials where ignition is
Waterflow Rate 105 mL/min
29

Cytiva Whatman™ Glass Fiber Filter Papers - Grade 31

Offers fine particle retention and high flow rate, as well as good loading capacity