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Unprepared Filters

*Unprepared Filters

These filters are suitable for Solids Analysis but will require preparation.

These laser cut 1.5µm Borosilicate Glass Fiber filters are typically used for testing such as Total Dissolved Solids, Total Suspended Solids and Volatile Suspended Solids in wastewater, as outlined in Standard Methods 2540

Filters are ALWAYS IN STOCK. Various diameters and sizes available.

These unprepared filters are comparable to Whatman 934-AH and Gelman A/E, or Millipore type AP40.

Filters come to you conveniently packaged in snap-cap tube of 100 filters. Aluminum pans are sold separately.

ProWeigh Filter for Solids Testing 


Borosilicate, 1.5 um Glass Fiber Filters - Unprepared

Item No. Description
FG85021MM Filters - Borosilicate GF, 21mm, 1.5µm, 100pk
FG85024MM Filters - Borosilicate GF, 24mm, 1.5µm, 100pk
FG85025MM Filters - Borosilicate GF, 25mm, 1.5µm, 100pk
FG85032MM Filters - Borosilicate GF, 32mm, 1.5µm, 100pk
FG85035MM Filters - Borosilicate GF, 35mm, 1.5µm, 100pk
FG85037MM Filters - Borosilicate GF, 37mm, 1.5µm 100pk
FG85043MM Filters - Borosilicate GF, 43mm, 1.5µm, 100pk
FG85047MM Filters - Borosilicate GF, 47mm, 1.5µm, 100pk
FG85055MM Filters - Borosilicate GF, 55mm, 1.5µm, 100pk
FG85070MM Filters - Borosilicate GF, 70mm, 1.5µm, 100pk
FG85090MM Filters - Borosilicate GF, 90mm, 1.5µm, 100pk
FG85102MM Filters - Borosilicate GF, 102mm, 1.5µm, 100pk
FG85110MM Filters - Borosilicate GF, 110mm, 1.5µm, 100pk
FG85125MM Filters - Borosilicate GF, 125mm, 1.5µm, 100pk
FG85142MM Filters - Borosilicate GF, 142mm, 1.5µm, 100pk
FG85150MM Filters - Borosilicate GF, 150mm, 1.5µm, 100pk

Question/Answer

will these filters work for TSS

These filters match the requirements outlined in Standard Methods 2540. They are glass fiber filters, without organic binder, and have a porosity of 1.5 um. As no preparation has been performed on these filters you will have to wash, dry, and weigh them yourself prior to using them in the analysis.

can this product, FG85125MM be used for VSS as well

These filters are appropriate for use for volatile analysis. The filters have not been prepared in any way prior to shipping so the laboratory must wash, dry, and volatilize the filter in accordance with the method prior to use.

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