Explore our new PFAS-Free products designed specifically for PFAS testing!
934-AH® Borosilicate Glass Fiber Filter
Borosilicate Glass Fiber Filter Whatman Filter Paper, Whatman 934-Ah

The standard for suspended solids content with fine porosity, fast flow rate, and a 1.5 micron size particle retention.  The 934-AH® Borosilicate Glass Fiber Filter is used for SM 2540D and EPA Method 160.2. Click here for a brand equivalent table of similar glass fiber filter membranes

Back to the Glass Fiber Filter Main Page

934-AH® is a trademark of Whatman Inc.

SKU Product Name Diameter (mm) Pack Size Price
AH1100 934-AH Borosilicate Glass Microfiber, 110mm, 100/Pk 110 100
$167.13
AH1250 934-AH Borosilicate Glass Microfiber, 125mm, 100/Pk 125 100
$203.94
AH1500 934-AH Borosilicate Glass Microfiber, 150mm, 100/Pk 150 100
$265.77
AH2100 934-AH Borosilicate Glass Microfiber, 21mm, 100/Pk 21 100
$33.11
AH2400 934-AH Borosilicate Glass Microfiber, 24mm, 100/Pk 24 100
$37.22
AH2500 934-AH Borosilicate Glass Microfiber, 25mm, 100/Pk 25 100
$37.22
AH3200 934-AH Borosilicate Glass Microfiber, 32mm, 100/Pk 32 100
$42.76
AH3500 934-AH Borosilicate Glass Microfiber, 35mm, 100/Pk 35 100
$48.27
AH3700 934-AH Borosilicate Glass Microfiber, 37mm, 100/Pk 37 100
$48.27
AH4250 934-AH Borosilicate Glass Microfiber, 42.5mm, 100/Pk 42.5 100
$52.41
AH4700 934-AH Borosilicate Glass Microfiber, 47mm, 100/Pk 47 100
$67.98
AH5500 934-AH Borosilicate Glass Microfiber, 55mm, 100/Pk 55 100
$70.81
AH7000 934-AH Borosilicate Glass Microfiber, 70mm, 100/Pk 70 100
$89.23
AH8260 934-AH Borosilicate Glass Microfiber, 82.6mm, 100/Pk 82.6 100
$135.96
AH9000 934-AH Borosilicate Glass Microfiber, 90mm, 100/Pk 90 100
$148.69
per page
Set Descending Direction

Frequently Asked Questions

We have a Chemical Compatibility Chart that you can use for reference. 

Frequently Asked Questions

We have a Chemical Compatibility Chart that you can use for reference. 

Ask An Expert

As an industry leader focused in unique micro and sub-micron filtration products, our goal is to support our customers by keeping them at the forefront of their industries. We're here to help with any filtration questions you might have so you can transform your ideas into reality, and tackle those big science challenges. Feel free to reach out using the form below, our experts are ready to serve.