MultiSpiro MicroDirect PFT / Spirometer Filters with Cardboard Mouthpiece- Box of 100 -Round - Fits for MultiSpiro, MicroDirect, Vitalograph , Morgan, CosMed

•    Filtration of Bacteria and Viruses
•    Low resistance for accurate Spirometry Testing, exceeds ATS Guidelines
•    Low Dead Space as required for Lung Volume and DLCO testing

•    Fits for MultiSpiro, MicroDirect, Vitalograph , Morgan, CosMed