Millex-GV Filter, 0.22 µm A 4 mm diameter sterile syringe filter with a 0.22 µm pore size hydrophilic PVDF membrane. Comes in a pack of 100. | Sigma-Aldrich
Jeringa estéril 10/100 un. Filtro Pes Membrana 0.22um tamaño de poro, 33mm individual | eBay
0.22μm/33mm Pes Jeringa Filtro steriled Pes filtros de membrana Paquete de 20 para laboratorios | eBay