IF YOU NEED TO PURCHASE THE REPLACEMENT FILTER, PLEASE CLICK THE LINK BELOW:
AIRMEGA 150 & 160 FILTER SET
AIRMEGA 150 & 160 PRE-FILTER

ALL AIRMEGA150 MODELS CONTAIN ONE OF THE FOLLOWING CODES BELOW AFTER THE FIRST 3 DIGITS OF THEIR SERIAL CODE:

02FA1
02FBQ
02FA2
02FFP
02FFQ 
Example:
41102F9R5249617250 = NOT COMPATIBLE WITH AIRMEGA 150 FILTER SET & 150 PRE-FILTER
02F9R is not part of the list above. Therefore Airmega 150 Pre-filter & 150 Filter Set is not fit for this unit.

41102FBQ8792753671 = COMPATIBLE WITH AIRMEGA 150 FILTER SET & 150 PRE-FILTER
02FBQ is included in the list, which means Airmega 150 Pre-filter & 150 Filter Set is the correct replacement for this unit.