Zerostat Spacer Device, also known as holding chambers, is used to store the medication after it has been released from the Metered-Dose Inhaler for a few seconds (MDI). - For best results, use a Cipla inhaler. - Allows the airways to open, making breathing easier and alleviating symptoms of asthma, such as wheezing, coughing, chest tightness, and shortness of breath. - Reduces the quantity of medicine deposited in the mouth and throat, which can lead to infection and irritation in the oral cavity.