Restek - 26157 - 25mm Syringe Filter, 0.45um, Cellulose Acetate, red, luer-lock, 100-pk. Item #: 10308072. MFR SKU: 26157. Luer lock inlet offers leak-tight syringe connection Variety of filter types, porosities, and diameters Color coded for easy identification Rugged polypropylene housing Autoclavable to 121°C for 15 minutes Quantity break pricing for greater savings Cellulose Acetate, Nylon, PES, PVDF—hydrophilic applications PTFE—hydrophobic applications Syringe filters are for