Whatman™ 934-AH RTU Glass Microfiber Filters

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Brand: Whatman™

Manufacturer Part Number: 9907-042

X100 934-AH RTU 42.5MM

UNSPSC: 41120000

Code: A0

Additional Details:
Additional Details: Weight: 0.01100kg

Product Code. 13227139

Quantity Price
1 £ 91.8 / Pack of 100
Estimated Shipment
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Description and Specification


Material Borosilicate Glass
Diameter (Metric) Outside 4.25cm
For Use With (Application) Monitoring of rivers, lakes and coastal waters
Flow Rate 47 sec./100mL
Grade 934-AH RTU
Particle Retention 1.5μm
Temperature (Metric) Max 550°C
Thickness (Metric) 435μm

Whatman 934-AH, the most widely used filter for Total Suspended Solids Analysis, is now available in a time-saving, Ready-To-Use (RTU) format. The 934-AH RTU contains the trusted binder-free, high purity borosilicate glass microfiber filter mentioned in Standard Methods.

  • Use the pre–washed, pre–weighed filter immediately—no need to pre–treat
  • Each RTU filter is packaged within an aluminum pan with the filter weight clearly printed on a heat-resistant label
  • Efficient: Superior fine particle retention at high flowrates
  • High loading capacity: Capable of processing very turbid samples
  • High temperature tolerant: Can be used with temperatures up to 550°C

The 934-AH RTU meets the requirements under the latest edition of Standard Methods 2540D for determining total suspended solids in water. It is used for a wide range of water monitoring applications including:

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


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