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Merck
Whatman® regenerated cellulose membrane filters RC58 Membrane Circles, diam. 100 mm, pore size 0.2 μm

Whatman® regenerated cellulose RC58 filter discs 0.2 μm pore size

Whatman® regenerated cellulose membrane filters RC58 Membrane Circles, diam. 100 mm, pore size 0.2 μm