CONSTANT AIR VOLUME (CAV) AIRFLOW MONITOR :
AFA 500/MK2
AFA 500/MK3
AFA 1000/1/MK2
AFA 1000/2/MK2
AFA 1000/PR/MK2
AFA 1000/1/MK3
AFA 1000/2/MK3
VARIABLE AIR VOLUME (VAV) AIRFLOW MONITOR :
AFA 1000/E MK2
AFA 1000/E MK3
AFA 1000/E-DUAL OUTPUT MK3
AFA 1000/RM
AFA 1000/BLD
AFA 1000/AHU