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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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46 – 60 of 272 results
46
Promotions Available

Sartorius Glass Fiber (GF) Pre-filters

Use as a depth filter for larger totally filterable volumes. Sartorius Glass Fiber (GF) Pre-filters are made of borosilicate glass microfibers and are ideal for use as a pre-filter in clarification and sterile filtration. Available in a range of filter disc diameters.

Particle Retention 2.6 μm
Temperature (English) Max. 428°F
Temperature (Metric) Max 220°C
Color White
Grade 13400
Material Borosilicate Glass Microfiber
Hydrophobicity Hydrophilic
For Use With (Application) Used as a depth prefilter high particle loading capacity
Sterility Non-sterile
Thickness (Metric) 550 μm
Flow Rate 295 to 381mL/min.
Format Disc
For Use With (Equipment) Filtration Systems
Autoclavable Autoclavable
47

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.

48

Cytiva Whatman™ Glass Fiber Filter Papers - Grade 31

Offers fine particle retention and high flow rate, as well as good loading capacity

49

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

50

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
51

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.

Thickness (Metric) 730 μm
Particle Retention >1 μm
Type Prefilter
Shape Circle
Format Disc
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 sec./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.
52

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
53

Cytiva Whatman™ Binder-Free Glass Microfiber Prefiters, Grade GF/D Sheets

Functions as a prefilter when used with GF/B microfiber filters. Whatman™ Binder-Free Glass Microfiber Prefilters, Grade GF/D Sheets provide efficient membrane protection, especially during liquid scintillation counting.

54

Cytiva Moisture Test Paper

Moisture test paper for use when drying samples during moisture assessment

55
Promotions Available

Sartorius Extra Thick Glass Fiber (GF) Pre-filters

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

Type Glass Microfiber Filter
Temperature (English) Max. 932°F
Format Disc
For Use With (Equipment) Filtration Systems
Temperature (Metric) Max 500°C
Color White
Material Borosilicate Glass Microfiber
Filter Type Net Filter
Hydrophobicity Hydrophilic
For Use With (Application) Prefiltration of clean solutions such as tissue culture media
Autoclavable Autoclavable
Sterility Non-sterile
56

GVS PreSep™ 124 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.

57

Environmental Express™ TCLP Filters

Meets EPA method 1311 requirements.

Material Borosilicate Glass Fiber
58

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.

59

Ahlstrom™ Glass Microfiber Filter Papers - Grade 111

For general purpose use and atmospheric and water pollution monitoring

Thickness (Metric) 0.28 mm
Flow Rate 5 cfm/ft2
Particle Retention 1.2 μm
Temperature (English) Max. 932°F
Format Disc
Thickness (English) 0.01 in.
Temperature (Metric) Max 500°C
Grade 111
Material Borosilicate Glass
For Use With (Application) General purpose use and atmospheric/water pollution monitoring
60

Ahlstrom™ Glass Microfiber Filter Papers - Grade 151

For retention comparable to membrane filters while providing higher flow and loading capacity