Comfit Disposable Rubber Mouthpieces

Designed for the ultimate in comfort, Comfit mouthpieces are the low-cost alternatives to other mouthpieces. An exceptional leak-proof seal assures better test results. And the versatile design fits most PFT valves and filters.

• Soft, latex-free rubber eliminates 
  risk of an allergic reaction
• Center support prevents 
  air-flow restriction
• Rims dip to comfortably accommodate 
  the frenula