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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

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
Promotions Available

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 1.6 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
3

MilliporeSigma™ Glass Fiber Filters Without Binder, 1.6 μm
GSA_VA

Hydrophilic Glass Fiber without Binder Resin filter

EDGE
4
Promotions Available

Cytiva Whatman™ Grade GF/A Card-Mounted Filters

For use in static sample and personal air sampler applications. These aerosol sampling and particulate monitoring filters provide high flow rates and minimal sample interference.

5
Promotions Available

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 1.5 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
6
Promotions Available

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.

7
Promotions Available

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./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
8
Promotions Available

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 2.7 μm
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 Disc
Thickness (English) 0.02 in.
Autoclavable Autoclavable
Waterflow Rate 681 mL/min
9
Promotions Available

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.

Particle Retention 1.6 μm
Temperature (English) Max. 932°F
Shape Sheet
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
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 Sheet
Thickness (English) 0.01 in.
Waterflow Rate 143 mL/min
10

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
11
Promotions Available

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.

12
Promotions Available

Cytiva Whatman™ 934-AH RTU Glass Microfiber Filters

Fast and convenient

Thickness (Metric) 435 μm
Flow Rate 47 sec./100mL
Particle Retention 1.5 μm
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
13

GVS PreSep™ 13 mm Glass Fiber Disc

Glass fiber is biologically inert, autoclavable and highly resistant to oxidizing agents and weak acids. Glass fiber can be used to extend the life of a final filter as a prefilter or they can be used alone for low cost sample clarification.

14

GVS PreSep™ 75 mm Glass Fiber Disc

Glass fiber is biologically inert, autoclavable and highly resistant to oxidizing agents and weak acids. Glass fiber can be used to extend the life of a final filter as a prefilter or they can be used alone for low cost sample clarification.

15

GVS PreSep™ 25 mm Glass Fiber Disc

Glass fiber is biologically inert, autoclavable and highly resistant to oxidizing agents and weak acids. Glass fiber can be used to extend the life of a final filter as a prefilter or they can be used alone for low cost sample clarification.