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.

1 – 15 of 105 results

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.

Pricing & Availability
Specifications

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

Fisherbrand™ Filters for TCLP

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

Pricing & Availability
Specifications

Pore Size	0.7 μm
Material	Borosilicate Glass Fiber

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.

Pricing & Availability
Specifications

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

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.

Pricing & Availability
Specifications

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

Fisherbrand™ Glass Fiber Circles

Faster flow, higher retention than cellulose filters

Pricing & Availability
Specifications

Flow Rate	Fast
Temperature (English) Max.	932°F
Temperature (Metric) Max	500°C
Material	Glass Fiber
Autoclavable	Autoclavable

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.

Pricing & Availability
Specifications

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

MilliporeSigma™ 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.

Pricing & Availability
Specifications

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

MilliporeSigma™ Glass Fiber Filters Without Binder, 1 μm

Hydrophilic Glass Fiber without Binder Resin filter

Pricing & Availability
Specifications

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

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.

Pricing & Availability
Specifications

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

MilliporeSigma™ Glass Fiber Filters with Binder, 1 μm

For prefiltration and contamination analysis

Pricing & Availability
Specifications

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

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.

Pricing & Availability
Specifications

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

MilliporeSigma™ Glass Fiber Filters Without Binder, 2.7 μm

Hydrophilic Glass Fiber without Binder Resin filter

Pricing & Availability
Specifications

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

MilliporeSigma™ Glass Fiber Filters with Binder, 2 μm

For prefiltration and contamination analysis

Pricing & Availability
Specifications

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

MilliporeSigma™ Reinforced Membrane Filters

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

Pricing & Availability
Specifications

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

Cytiva Whatman™ Glass Microfiber Prefilter, 2μm 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.

Pricing & Availability
Specifications

Particle Retention	>2μm
Temperature (English) Max.	932°F
Shape	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	1.5 s/100 ml/1.56 cm²
Temperature (Metric) Max	500°C
Quantity	40/pack
Grade	Grade GMF 150
Material	Borosilicate Glass
For Use With (Application)	Prefilter with high loading capacity and good flow rates.
Thickness (Metric)	750 μm
Flow Rate	1.5 sec./100mL/1.56cm²
Type	Prefilter
Format	Circle
Thickness (English)	0.029 in.
Waterflow Rate	887 mL/min

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Glass Fiber Filters and Prefilters

Glass Fiber Filters and Prefilters

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