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Merck
Whatman® cellulose acetate membranes OE66 membrane circles, cellulose acetate, pore size 0.2 μm, diam. 110 mm

Whatman® cellulose acetate membrane filters 0.2 μm pore size

Whatman® cellulose acetate membranes OE66 membrane circles, cellulose acetate, pore size 0.2 μm, diam. 110 mm