Baseline* Windmill Type Spirometer, Compact, lightweight spirometer for screening large populations, Indicator registers forced vital lung capacity up to 7 liters, Comes with 50 plastic mouth pieces, Dimensions: 3.5 X 3 X 3.5 in, Weight: 2 lbs
Disposable Bacterial Filter, disposable microbacterial filter significantly reduces need to sterilize your spirometers flow head, 30 mm ID opening allows for an easy, air-tight fit to the flow head
Mouthpiece, Disposable, For a more sterile environment, use the cardboard mouthpieces to help eliminate the spreading of contagious material between students
Noseclip, plastic, foam-padded noseclips help increase the accuracy of spirometry results by eliminating the escape of air through the nostrils during testing