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One-Way Valve Mouthpiece

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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. This mouthpiece features a 1 3/16 inch outside diameter, the same diameter as our popular paper mouthpiece #162600.

  • One-Way Valve for expiratory-only testing
  • Strong, durable construction
  • Special design provides low air resistance
  • 1 3/16" (30.2mm) Outside Diameter
  • 100 per case
Catalog # Outside Diameter Qty / Box Price / Box Discount
in mm
161500
1.1875 30.1625 100
Price: $52.50
161520
1.1875 30.1625 200
Price: $95.00
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