The MH-3 flowmeter is calibrated for use with the Oxymizer™ cannula for flight up to 18,000 ft. The MH-4 has two altitude flow scales. The left (compressed) scale is calibrated for the Oxymizer™ cannula and is limited to flight of 18,000 ft. and below. The right scale is calibrated for a standard cannula or face mask up to 25,000-30,000 ft. Flow meter without tubing.
Flowmeters MH-3 and MH-4
$73.80
MH-3 or MH-4 flowmeter. Without tubing or clamps.
Mountain High Cylinder Duration Chart
Click here to open PDF in a new window.
(Some browser configurations may download the PDF. If no window opens, temporarily enable pop-ups or check your downloads folder.)
