The QRS Pressure Tube (#Z-7000-2032) connects the Pre-Calibrated Mouthpiece to the Orbit Spirometer (#Z-7000-0101). The pressure tube is re-usable, but needs to be replaced if kinked or if condensation forms inside the tube.
Warranty: Until Use or Expiration (5 Year Shelf Life).
Length: 48".
WASHING INSTRUCTIONS:
Machine wash separately in cold water on a gentle cycle. Tumble dry separately on low heat. Add QE Home Wool Dryer
Balls to reduce wrinkles and increases drying efficiency. Touch up with a low heat iron as needed. Do not bleach or dry clean.
Size Chart
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