Ensure contamination-free dispensing with Thermo Scientific Nalgene FEP Solvent Wash Bottles, useful for trace element work. These phthalate-free bottles offer excellent chemical resistance and are molded entirely of fluoropolymers. Designed to dispense through the top with a closure and stem molded in one piece for uniform leakproof service. The precision-molded tip provides a straight, steady stream and ultimate control without sputtering.