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 105 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

Fisherbrand™ Filters for TCLP
GSA_VA

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

EDGE
Pore Size 0.7 μm
Material Borosilicate Glass Fiber
3

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
4

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
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™ 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
7

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
8

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
9

Cytiva Whatman Grade 934-AH RTU Glass Microfiber Filters, Ready to Use

Ready to use, Grade 934-AH RTU Glass Microfiber Filter Papers are the time-saving version of GE’s 934-AH glass microfiber filter papers, which are widely used for total suspended solids analysis.

EDGE
Particle Retention 1.5μm
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
Quantity 100
Grade 934-AH RTU
Material Glass Microfiber
Autoclavable Not Autoclavable
Sterility Non-sterile
Waterflow Rate 341 mL/min
10

MilliporeSigma™ Quartz Fiber Membrane Filter Without Binder
GSA_VA

Hydrophilic quartz fiber filter

EDGE
Temperature (English) Max. 1742°F
Airflow Rate 44.5 L/min/ cm2
Air Resistance 50 mm of H2O
Temperature (Metric) Max 950°C
Color White
Grade AQFA
Material Fiber
Hydrophobicity Hydrophilic
For Use With (Application) Perfect for measuring heavy metal concentrations and small amounts of particles
Sterility Sterile
Thickness (Metric) 430 µm
Flow Rate 1.6 mL/min/ cm2
Wettability Hydrophilic
Type Filter Membranes
Thickness (English) 0.016 in.
Filter Type Depth filter
Surface Type Plain
Autoclavable Autoclavable
11

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
12

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
13

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
14

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
15

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
16

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
17

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
18

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
19

MilliporeSigma™ Glass Fiber Filters Without Binder, 2.7 μm
GSA_VA

Hydrophilic Glass Fiber without Binder Resin filter

EDGE
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
20

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
21

Cytiva Whatman™ Grade 32 Binder-Free Glass Fiber Filter

22

Sartorius Glass Fiber (GF) Pre-filters, No Binder

Use in gravimetric analyses and as a depth filter for sterile filtration. Sartorius Glass Fiber (GF) Pre-filters, No Binder are made of borosilicate glass microfibers and combine fast flow rates with high load capacity. Ideal for relatively clean solutions, as it retains very fine particles.

Promotions are available
23

Sartorius Extra Thick Glass Fiber (GF) Pre-filters

Glass fiber prefilters, depth pre filters, for larger totally filterable volumes in clarification and sterile filtration.

Promotions are available
Temperature (English) Max. 932°F
Format Disc
Temperature (Metric) Max 500°C
Color White
Material Borosilicate Microfiber Glass
Hydrophobicity Hydrophilic
For Use With (Application) Prefiltration of clean solutions such as tissue culture media
Autoclavable Autoclavable
Sterility Non-sterile
24

Sartorius MGG Grade Glass Microfiber Filters w/o Binder

Binder free glass microfiber filters are suitable for analytical and gravimetric analyses. They are also used as prefilter.

Promotions are available
Thickness (Metric) 0.28 mm
Particle Retention 1.5μm
Temperature (English) Max. 932°F
Format Disc
Filtration Time 38 sec.
Air Resistance 32mbar
Thickness (English) 0.01 in.
Temperature (Metric) Max 500°C
Color White
Grade MGG
Material Borosilicate Microfiber Glass
For Use With (Application) Ideal for critical analyses in which impurities can be washed out of the filter
Sterility Non-sterile
25

Sartorius MGD Grade Glass Microfiber Filters w/o Binder

Binder free glass microfiber filters are suitable for analytical and gravimetric analyses. They are also used as prefilter.

Promotions are available
26

Sartorius MGC Grade Glass Microfiber Filters w/o Binder

Binder free glass microfiber filters are suitable for analytical and gravimetric analyses. They are also used as prefilter.

Promotions are available
Thickness (Metric) 0.25 mm
Particle Retention 1.2μm
Temperature (English) Max. 932/1022°F
Format Disc
Filtration Time 66 sec.
Air Resistance 51mbar
Thickness (English) 0.009 in.
Temperature (Metric) Max 500/550°C
Color White
Grade MGC
Material Borosilicate Microfiber Glass
Sterility Non-sterile
27

Cytiva Whatman™ Glass Microfiber Filters with Organic Binder, Grade GF 10

For use as a weighing aid for infrared weighing, and as a roll filter in automatic air filtration units

28

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

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

Thickness (Metric) 675 μm
Flow Rate 5.5 sec./100mL
Type Filter
Temperature (English) Max. 932°F
Basis Weight 143 g/m2
Thickness (English) 0.02 in.
Temperature (Metric) Max 500°C
Material Borosilicate Glass
29

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

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