FEI 12-1711 Plastic Mouthpiece for Windmill Type Spirometer (Pack of 100)
- Disposable: Single-patient test/session use.
- Low resistance & dead space, Exceeds ATS/ERS Guidelines.
- Fits KoKo Sx 1000 Spirometer, KoKo PFT Spirometer, KoKo Legend, KoKo DigiDoser & KoKo Trek Spirometer..
- 1 box of 100 filters, individually wrapped.