compare. Syringe Filter MER C0000601 33 MM, 0.45 um, with Outer Ring and Printing, Non- Sterile, Syringe Filter (100 Per Pack) (0 reviews) Qty. Price: $69.99 / CS. Available: Not In Stock. compare. Syringe Filter MER C0000281 13 MM Diameter, 0.22 um Pore, PTFE Hydrophilic, Welded Syringe Filter with Printing (100