Glass Fiber Filters and Prefilters

Glass Fiber Filters and Prefilters
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Filtered Search Results

Fisherbrand™ Microglass Fiber Filters, Grade 259
Made with 100% borosilicate micro-glass fibers. Fisherbrand™ Microglass Fiber Filters, Grade 259 are non-hygroscopic and biologically inert. They show chemical resistance to most solvents and reagents (except hydrofluoric acid).

Thickness (Metric) | 0.26 mm |
---|---|
Pore Size | 1.6 μm |
Basis Weight | 52 g/m2 |
Format | Disc |
Filtration Time | 60 sec. |
Grade | 259 |
Material | Borosilicate Glass |
Sartorius™ T 293 Grade White Quartz Microfiber Filters
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Supports traceability with guaranteed access to certificates and proactive change notifications.
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Thickness (Metric) | 0.43 mm |
---|---|
Particle Retention | 0.3 μm |
Type | Filter |
Basis Weight | 85 g/m2 |
Format | Disc |
Temperature (Metric) Max | 900°C |
Color | White |
Quantity | 50 Pack |
Grade | T 293 |
Material | Quartz Microfiber |
Sterility | Non-sterile |
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.

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 |
Cytiva Whatman Grade 934-AH RTU Glass Microfiber Filters
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.
Particle Retention | 1.5 μm |
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Quantity | 100 |
Grade | 934-AH RTU |
Material | Glass Microfiber |
Autoclavable | Not Autoclavable |
Sterility | Non-sterile |
Waterflow Rate | 341 mL/min |
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.

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 |
Fisherbrand™ Microglass Fiber Filter Discs
Made with 100% borosilicate micro-glass fibers. Fisherbrand™ Microglass Fiber Filter Discs are non-hygroscopic and biologically inert. They show chemical resistance to most solvents and reagents (except hydrofluoric acid).

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.

Particle Retention | 1.5 μm |
---|---|
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 | Disc |
Thickness (English) | 0.017 in. |
Surface Type | Smooth |
Waterflow Rate | 341 mL/min |
Merck Filter Support Pads
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 |
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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 |
Merck Reinforced Membrane Filters
Contain no asbestos or fiberglass; made from non-shedding materials.
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 |
Particle Retention | 2.7 μm |
---|---|
Filtration Time | 18sec. |
Air Resistance | 18.5mbar |
Temperature (Metric) Max | 500°C |
Color | White |
Quantity | 50 Pack |
Grade | MGD |
Material | Glass Microfiber |
For Use With (Application) | Recommended for analytical and gravimetric analyses and also as prefilters |
Sterility | Non-sterile |
Thickness (Metric) | 0.53 mm |
Type | Filter without Binder |
Basis Weight | 120 g/m2 |
Format | Disc |
Sartorius MGA Grade Glass Microfiber Filters w/o Binder
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Supports traceability with guaranteed access to certificates and proactive change notifications.
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Binder free glass microfiber filters are suitable for analytical and gravimetric analyses. They are also used as prefilter.
Thickness (Metric) | 0.25 mm |
---|---|
Particle Retention | 1.6 μm |
Temperature (English) Max. | 932°F |
Format | Disc |
Filtration Time | 40 sec. |
Air Resistance | 36mbar |
Thickness (English) | 0.009 in. |
Temperature (Metric) Max | 500°C |
Color | White |
Grade | MGA |
Material | Borosilicate Glass Microfiber |
For Use With (Application) | Clarification of buffer and reagent solutions |
Sterility | Non-sterile |
Cytiva Whatman Grade GF/F Glass Microfiber Filter
Binder-free borosilicate glass microfiber filter used for DNA purification, protein precipitation, and landfill leachate toxicity testing.
Cytiva Glass Fiber GF8 Filter
This glass fibre filter has an inorganic binder for the filtration of coarse particles
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.

Thickness (Metric) | 675 μm |
---|---|
Flow Rate | 5.5 sec./100mL |
Particle Retention | 1.0 μm |
Type | Filter |
Temperature (English) Max. | 932°F |
Basis Weight | 143 g/m2 |
Format | Disc |
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 |
Merck Glass Fiber Filters Without Binder
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.

Pore Size | 0.7 μm |
---|---|
Type | Filter Membranes |
Color | White |
Filter Type | Depth Filter |
Surface Type | Plain |