SpiroTube Type F Mouthpiece for Spirometer, ID 20mm OD 22mm, 500/Case

SpiroTube Type F is a disposable mouthpiece designed for use with spirometers for pulmonary function testing. These sterile, single-use mouthpieces feature an inner diameter of 20mm and outer diameter of 22mm, ensuring proper fit and seal with standard spirometer equipment. Supplied in cases of 500 units for high-volume clinical and diagnostic settings.