Ecom J2KNpro Tech Operating Instructions Manual page 49

Safety filter
Check the state of the safety filter. Change it once the filter has a
grey colour (number 2-3 of the soot comparison scale).
Safety filter
PTFE filter 1
Check the state of the PTFE filter. Change it once the filter has a
grey colour (number 2-3 of the soot comparison scale).
PTFE filter 1 (20 µm)
PTFE filter 2
Screw off the cover and check the state of the PTFE filter. Change it
once the filter has a grey colour (number 2-3 of the soot comparison
scale).
PTFE filter 2 (2 µm)
pro
ecom- Page 49
J2KN TECH