Glass fiber filter, grade GD-120, 47mm Ø, 123g/m², 0.51mm thick, pore size 0.9µm. No binder, max. temp. 500 °C. Prefilter for membrane filters with pore size 0.45 to 1.2µm. Very high loading
Grade 934-AH® Cut Glass fiber filter, Diameter 90 mm, Prewashed Preweighed for Standard Methods TSS or VSS Procedure, 100/Pack | Southern Labware
Glass Fiber Filters, 1.0 µm, 13 mm, Type A/E | Order High-Quality Glass Fiber Filters, 1.0 µm, 13 mm, Type A/E Products at SKC, Inc.
Glass Fiber Filters, Extra Thick, Pall Laboratory | VWR
Cytiva's Whatman 1827-085 Grade 934-AH Glass Fiber Filter Paper