Spiro Filter for Mouthpiece Pulmoguard-C from $84

Spiro Filters Generic replaces 703418 703419. Disposable Bacterial Viral Filters for Spirometer Mouthpieces. Designed specifically for Collins/NSpire PFT and CardioPerfect, SpiroPerfect PC, CP-200 Spirometers. 50/BX or 100/CS. See "Options" above for Packaging Selection.