Plastic serological pipettes are supplied without graduations and filter plugs for vacuum aspirating and free-flowing applications. They are ideal for tissue culture applications when aspirating larger volumes from dishes, flasks, or roller bottles. Individually wrapped. Provides rapid fluid dispensing Made from transparent medical grade polystyrene (PS) sterilized by gamma irradiation. Tested for endotoxins, cytotoxicity, and are guaranteed nonhemolytic. Certified DNase-, RNase-free, and nonpyrogenic