U - UNIT
Please note that inventory is displayed for informational purposes only. Pickup from our Laval warehouse is not available.
Measures peak expiratory flow (PEF) and forced expiratory volume (FEV1) in one second. Traffic light indicator. Easy to use for both children and adults. Includes 2 additional mouth pieces, USB cable and 2 AAA batteries.. 2 "AAA" batteries (included)