The Practi-NitroSpray is a CFC-free pump that simulates a sublingual aerosol spray. Labelled identical to its true drug counterpart, nitroglycerin. Each spray pump looks, acts, and feels like real Nitroglycerin! It contains no medication and provides 200 sprays per pump. Practi-Nitroglycerin Spray is a helpful and effective addition to your current patient care scenarios.