IF YOU NEED TO PURCHASE THE REPLACEMENT FILTER, PLEASE CLICK THE LINK BELOW:
AIRMEGA 250 MAX2 FILTER

ALL AIRMEGA 250/250S MODELS CONTAIN ONE OF THE FOLLOWING CODES BELOW AFTER THE FIRST 3 DIGITS OF THEIR SERIAL CODE:
02F9S
02F9R

Example:
41102F5O5249617250 = NOT COMPATIBLE WITH AIRMEGA 250 MAX2 FILTER
02F5O is not part of the list above. Therefore Airmega 250 Max2 Filter is not fit for this unit.

41102F9R8792753671 = COMPATIBLE WITH AIRMEGA 250 MAX2 FILTER
02F9R is included in the list, meaning Airmega 250 Max2 Filter is the correct replacement for this unit.