Microlife PF100 Instruction Manual page 65

PLEASE READ ALL INFORMATION IN THIS
INSTRUCTION BOOKLET BEFORE USING THIS
PEAK FLOW METER
If you have questions call Microlife toll free at 866-934-1839
between 8:00am and 8:00pm Eastern Time, Monday through Friday
(except holidays) or contact us at custserv@microlifeusa.com.
MLUPF-100-0617-3