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Cytiva Whatman™ Grade 934-AH RTU Glass Microfiber Filters, Ready to Use

Widely used for total suspended solids analysis.

Manufacturer:  Cytiva 99079436

Catalog No. 14-380-935



  • Prewashed, preweighed RTU filters eliminate pretreating steps otherwise required by Standard Method 2540D
  • Fine particle retention of 1.5μm at high flow rates
  • Able to process heavy, turbid samples

Ready to use wastewater filter
Whatman 934-AH RTU filters meet the requirements for total suspended solids analysis of water according to the latest edition of Standard Method 2540D. 934-AH RTU is used as a wastewater filter for a wide range of water monitoring applications including:

  • Monitoring rivers, lakes, and coastal waters
  • Analyzing purified discharge of wastewater treatment plants
  • Monitoring discharge water from industrial plants

RTU filters are packaged within an aluminum pan with the filter weight clearly printed on a heat-resistant label. Each pan has a unique barcode.



3.7 s/100 ml/in.2
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
Borosilicate Glass Microfiber
934-AH RTU
47 mm
64 g/m2
Glass Microfiber
341 mL/min
Product Certifications