A transparent, non-static small volume chamber with a flow-gate valve. Maximizes lung deposition. For use with Cipla metered-dose inhalers. Zerostat VT Spacer is a chamber used in attachment with a metered-dose inhaler to enhance the ease of inhalation of the medication. The device acts as a closed space in the form of a tube between the device and mouth and enables the patient to slowly and completely inhale the medicine from the inhaler.