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EZFlow* Syringe Filter 25mm^ EZFlow* Syringe Filter, Filter Diameter: 45mm, Filter Material: Hydrophobic PTFE, Filter Pore Size: 0.22um, membranes are reinforced with polypropylene housing with a female Luer-lok inlet and a male Luer slip outlet, Application: HPLC, IC, and GC, Diameter: 25mm