Nose Clip fits most nose sizes and is ideal for use during breathing treatments. ME1101 Disposable Nose Clip prevents air from leaking out of patients nose during a spirometry or pulmonary function test, allowing for the most accurate and acceptable test. The tension in the sponge nose clip body keeps it firmly in place while the rubber and soft non-slip foam pads are designed for maximum patient comfort. ME1101 Nose Clip is for single patient use and is not made with natural rubber latex.