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
Blood splatter, For crime scene investigation and criminal identification based on bloodstains, Bloodstain pattern analysis helps in identification of suspect/victim.
Noseclip, plastic, foam-padded noseclips help increase the accuracy of spirometry results by eliminating the escape of air through the nostrils during testing