Vitalograph SafeTway Mouthpiece One-Way Valve for Spirometry & Flow Meter

Description

Lot of 10 Vitalograph Disposable SafeTway Mouthpiece One-Way Valve Tubes. Vitalograph SafeTway One-Way Valve Mouthpiece Tubes. The filter allows

Lot 10 Vitalograph SafeTway Mouthpiece One-Way Valve for Spirometry & Flow Meter

The low cost, low resistance SafeTway® mouthpiece allows entry of expired air into the measuring system, but not back to the test subject. This

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