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Whatman Uniflo syringe Filter 25mm 0.45 Nylon^ Whatman Uniflo syringe Filter, Diameter: 25 mm, Pore Size: 0.45 um, Filtration Media: Nylon, Inlet: Femal Luer lock,Outlet: Male Slip Luer, Housing: Polypropylene, Filtration Area: 0.65 cm2, Operating Pressure Max: 67.5 psi, Dimensions: 19.6 x 16.9 mm