item 1 SYRINGE FILTERS, Pall Acrodisc GHP 25 mm, 0.2 um, 50 ct, 4564 T, SEALED, 4564TSYRINGE FILTERS, Pall Acrodisc GHP 25 mm, 0.2 um, 50 ct, 4564 T, SEALED, 4564T $114.95 item 2 10-100pc PTFE Syringe Filter 13mm 25mm Diameter, 0.45 um 0.22 um Pore Size, HPLC10-100pc PTFE Syringe Filter 13mm 25mm Diameter, 0.45 um 0.22 um Pore Size, HPLC $7.59