The QRS Pressure Tube is a re-usable tube that connects the pre-calibrated mouthpiece to the Orbit spirometer. It is used to measure the pressure of the air that is exhaled during a spirometry test. The pressure tube is made of durable materials and has a 5-year shelf life. It is also latex free.
Features
- Connects pre-calibrated mouthpieces to QRS spirometers
- Re-usable
- 5-year shelf life
- Latex free
- Length of 48″
Sold by
Pressure Tube, 48″ [25/bag]
