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.

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.

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.

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.

For prefiltration and contamination analysis

Contain no asbestos or fiberglass

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.

Perfect for measuring heavy metal concentrations and small amounts of particles

hydrophilic Glass Fiber without Binder Resin filter

hydrophilic Glass Fiber with Binder Resin filter

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.

Fast and convenient

Especially suited for emission monitoring at temperatures of up to 900°C and wherever filters of the highest purity are needed.

Permits rapid passage of very large sample volumes without blockage for collection of suspended solids in potable, natural, and industrial waters

High-purity quartz microfibers tempered for excellent weight and stability and especially suitable for emissions monitoring at high temperature.

Binder-free glass microfiber filters for analytical and gravimetric analyses and prefiltering.

Filter Funnel Replacement Reservoirs for the 3-Piece Filter Funnel.

Binder-free glass microfiber filters for analytical and gravimetric analyses and prefiltering.

Binder-free glass microfiber filters for analytical and gravimetric analyses and prefiltering.

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.

Grade GF/C glass filters offer fine particle retention, good flow rate and loading capacity, and support total suspended solids analysis.

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

Made from borosilicate glass and strengthened with an organic binder to provide high mechanical stability.

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.

Binder-free glass microfiber filters for analytical and gravimetric analyses and prefiltering.

Binder-free glass microfiber filters for analytical and gravimetric analyses and prefiltering.

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 Sheets are also used in cell harvesting, liquid scintillation, and monitoring pollution.