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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 – 15 of 60 results
1

Fisherbrand™ Glass Fiber Circles

Faster flow, higher retention than cellulose filters

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 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
3

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
4

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.

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
5

MilliporeSigma™ 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
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
6

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.

Pore Size 0.7 μm
Type Filter Membranes
Color White
Filter Type Depth Filter
Surface Type Plain
7

MilliporeSigma™ Glass Fiber Filters with Binder, 1 μm

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 Glass Microfiber
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
8

Sartorius MGF 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.

Particle Retention 0.7 μm
Temperature (English) Max. 932°F
Air Resistance 145mbar
Temperature (Metric) Max 500°C
Color White
Sample Volume 135 mL
Grade MGF
Material Borosilicate Glass Microfiber
For Use With (Application) Critical analyses in which impurities can be washed out of the filter
Sterility Non-sterile
Thickness (Metric) 0.4 mm
Type Glass Microfiber Filter
Format Disc
For Use With (Equipment) Filtration Systems
Thickness (English) 0.015 in.
Filter Type Net Filter
9

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
Quantity 100
Grade 934-AH RTU
Material Glass Microfiber
Autoclavable Not Autoclavable
Sterility Non-sterile
Waterflow Rate 341 mL/min
11

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.

12

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.

13

MilliporeSigma™ Glass Fiber Filters Without Binder, 1 μm

Hydrophilic Glass Fiber without Binder Resin filter

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
14

MilliporeSigma™ Glass Fiber Filters with Binder, 2 μm

For prefiltration and contamination analysis

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 Glass Microfiber
Hydrophobicity Hydrophilic
Sterility Sterile
Includes Binder resin
Wettability Hydrophilic
Type Filter Membranes
Filter Type Depth Filter
Surface Type Plain
Autoclavable Autoclavable
15

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.

Particle Retention >2 μm
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 Disc
Thickness (English) 0.029 in.
Waterflow Rate 887 mL/min