See our Gulick II Tape Measures...
Package of 100 cardboard mouthpieces for the Spiro Pet. (We can only offer cardboard disposables -- plastic are not available at a reasonable price.) Ship wt, 1 lb.
Threshold® -- Inspiratory Muscle Trainer (Model 64485)
SPIRO PET – Small Dry Spirometer (Model 64450)
FitnessMart division of Country Technology, Inc.