All syringe filters have a female luer-lock inlet and a male luer slip connector. Tisch Brand SPEC17984 Nylon Syringe Filter, 0.22um, 25mm . Tisch Brand SPEC17984 Nylon Syringe Filter, 0.22um, 25mm, Double luer Lock, 2mL Autosampler Vials with Writing Area and Graduations, 9-425 HPLC, Red PTFE (Hydrophilic) Syringe Filters, 0.22 µm, 13 mm