Grade A Glass Fiber Filter Paper 1.6 um, 8 inch x 10 inch, Nonsterile, 50 per pack, EF19000 | Tisch Scientific
Whatman 1827-320 Glass Fiber Filter Paper without Binder Grade 934-AH,
Glass fiber filter, grade GF-75, 203 x 254mm, 75g/m², 0.35mm thick, pore size 0.3µm. No binder, max. temp. 500 °C Collection of IgC and other very fine protein precipitates; clarifying chemically aggressive