Nylon membrane filter discs .45 μm pore size

Nylon membrane filter discs .45 μm pore size, pore size 0.45 μm, diam. 47 mm, pack of 100

Nylon membrane filter discs .45 μm pore size, pore size 0.45 μm, diam. 90 mm

Nylon membrane filter discs .45 μm pore size, pore size 0.45 μm, diam. 25 mm