Whatman^® glass microfiber grade GF/A filter discs 1.6 μm pore size

Whatman^® glass microfiber grade GF/A filter discs 1.6 μm pore size, white, binder free, 0.26 mm thick, 100 ea, 47 mm diam

Whatman^® glass microfiber grade GF/A filter discs 1.6 μm pore size, white, binder free, 0.26 mm thick, 100 ea, 90 mm diam

Whatman^® glass microfiber grade GF/A filter discs 1.6 μm pore size, white, binder free, 0.26 mm thick, 100 ea, 125 mm diam

Whatman^® glass microfiber grade GF/A filter discs 1.6 μm pore size, white, binder free, 0.26 mm thick, 100 ea, 25 mm diam

Whatman^® glass microfiber grade GF/A filter discs 1.6 μm pore size, white, binder free, 0.26 mm thick, 100 ea, 70 mm diam

Whatman^® glass microfiber grade GF/A filter discs 1.6 μm pore size, white, binder free, 0.26 mm thick, 100 ea, 13 mm diam

Whatman^® glass microfiber grade GF/A filter discs 1.6 μm pore size, white, binder free, 0.26 mm thick, 100 ea, 110 mm diam

Whatman^® glass microfiber grade GF/A filter discs 1.6 μm pore size, white, binder free, 0.26 mm thick, 100 ea, 0.26 mm diam

Whatman^® glass microfiber grade GF/A filter discs 1.6 μm pore size, white, binder free, 0.26 mm thick, 100 ea, 50 mm diam

Whatman^® glass microfiber grade GF/A filter discs 1.6 μm pore size, white, binder free, 0.26 mm thick, 100 ea, 55 mm diam

Whatman^® glass microfiber grade GF/A filter discs 1.6 μm pore size, white, binder free, 0.26 mm thick, 100 ea, 24 mm diam

Whatman^® glass microfiber grade GF/A filter discs 1.6 μm pore size, white, binder free, 0.26 mm thick, 100 ea, 42.5 mm diam

Whatman^® glass microfiber grade GF/A filter discs 1.6 μm pore size, white, binder free, 0.26 mm thick, 100 ea, 37 mm diam

Whatman^® glass microfiber grade GF/A filter discs 1.6 μm pore size, white, binder free, 0.26 mm thick, 100 ea, 21 mm diam

Whatman^® glass microfiber grade GF/A filter discs 1.6 μm pore size, white, binder free, 0.26 mm thick, 100 ea, 240 mm diam

Whatman^® glass microfiber grade GF/A filter discs 1.6 μm pore size, white, binder free, 0.26 mm thick, 100 ea, 81 mm diam

Whatman^® glass microfiber grade GF/A filter discs 1.6 μm pore size, white, binder free, card mounted (55 x 37.5 mm), air sampling, 100 ea, 32 mm diam

Whatman^® glass microfiber grade GF/A filter discs 1.6 μm pore size, white, binder free, 0.26 mm thick, 100 ea, 60 mm diam

Whatman^® glass microfiber grade GF/A filter discs 1.6 μm pore size, white, binder free, 0.26 mm thick, reinforced rim, 50 ea, 60 mm diam