22/11/2017 · Captiva Econofilter, polyethersulfone (PES) membrane, 13 mm diameter, 0.45 µm pore, 1000/pk. PES. 13 mm. 0.45 µm. Polypropylene. 1000 Pack. 616.00 USD. Quantity. Captiva Econofilter, polypropylene housing, polyethersulfone (PES) membrane, 13 mm diameter, 0.45 µm pore size, 1000/pk.