Whatman^® mixed cellulose ester ME25/21 filter discs 0.45 μm pore size

Whatman^® mixed cellulose ester ME25/21 filter discs 0.45 μm pore size, white, hydrophilic, sterile, interleaving paper, 100 EA, 100 ea, 50 mm diam

Whatman^® mixed cellulose ester ME25/21 filter discs 0.45 μm pore size, white, hydrophilic, black grid (3.1 mm), sterile, for membrane butler, 400 EA, 400 ea, 47 mm diam

Whatman^® mixed cellulose ester ME25/21 filter discs 0.45 μm pore size, white, hydrophilic, black grid (3.1 mm), sterile, for membrane butler, 400 EA, 400 ea, 50 mm diam