A-M Systems
One-Way Valve Mouthpiece
The One-Way Valve Mouthpiece is a disposable paper mouthpiece featuring a one-way valve for expiratory-only testing.
- The plastic valve has been designed to provide low air resistance.
- One-Way Valve for expiratory-only testing.
- Strong, durable construction.
- Special design provides low air resistance.
- 1 3/16" (30.2mm) Outside Diameter
NON-RETURNABLE ITEM
**Image is for demonstration purposes. Please read the item description.
| SKU | |
|---|---|
SKU 161500 |