Advantec - 3mm, 0.20µm Sterile Cellulose Acetate Syringe Filters, 100/pack Sterile Cellulose Acetate Syringe Filter Units, 0.20µm pore size, 3mm diameter, (Low Protein Binding), Individual Blister Pack, 100/pack SKU: 03CP020AS Buy $150.90 $120.95 Add to wishlist 3mm, 0.45µm Non-Sterile Cellulose Acetate Syringe Filters