Disposable syringe filters designed for use in a wide range of sample filtration applications. Incorporates Anopore inorganic membranes with a precise non-deformable, even honeycomb pore structure. The membrane is sealed within a hexagonal shaped polypropylene body with luer lock fittings. These filters are compatible with most organic solvents and aqueous solutions. All versions are available in a gamma-irradiated sterile form and with glass microfibre pre-filter enabling larger volumes of difficult solutions to be filtered.